TTD_Target_ID Target_Name TTD_Drug_ID Drug_Name Drug_Highest_Status Drug_PubchemID Molecular_Formula Molecular_Weight Canonical_SMILES Activity Binder_Type T33754 Phosphodiesterase 3 D0Z7ZM Rhucin Approved 135398744 C22H30N6O4S 474.6 CCCC1=NN(C2=C1N=C(NC2=O)C3=C(C=CC(=C3)S(=O)(=O)N4CCN(CC4)C)OCC)C IC50 = 65000 nM Poor binder T33754 Phosphodiesterase 3 D0T5PO ROLIPRAM Phase 2 5092 C16H21NO3 275.34 COC1=C(C=C(C=C1)C2CC(=O)NC2)OC3CCCC3 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 D08FOX Piroximone Discontinued in Phase 3 55263 C11H11N3O2 217.22 CCC1=C(NC(=O)N1)C(=O)C2=CC=NC=C2 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 D00DBE CI-1018 Discontinued in Phase 2 9865514 C24H20N4O2 396.4 CC1=CC2=C3C(=C1)C(=N[C@H](C(=O)N3CC2)NC(=O)C4=CC=NC=C4)C5=CC=CC=C5 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 D00SPK E-4021 Discontinued in Phase 2 23665864 C22H20ClN4NaO4 462.9 C1CN(CCC1C(=O)[O-])C2=NC3=C(C=C(C=C3)Cl)C(=N2)NCC4=CC5=C(C=C4)OCO5.[Na+] IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 D00YPW ZAPRINAST Terminated 135399235 C13H13N5O2 271.27 . IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 D09SFV LY294002 Terminated 3973 C19H17NO3 307.3 C1COCCN1C2=CC(=O)C3=C(O2)C(=CC=C3)C4=CC=CC=C4 IC50 = 100000 nM Poor binder T33754 Phosphodiesterase 3 B0P4FZ 1-(3-Bromo-4,5-dimethoxyphenyl)-3-[[4-(2-hydroxyethyl)piperazino]carbonyl]-6,7,8-trimethoxy-2-naphthoic acid methyl ester Investigative 10651803 C30H35BrN2O9 647.5 COC1=CC2=CC(=C(C(=C2C(=C1OC)OC)C3=CC(=C(C(=C3)Br)OC)OC)C(=O)OC)C(=O)N4CCN(CC4)CCO IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B14TIW 3,4-Dipropyl-8,9-dihydro-7H-pyrimido[2,1-f]purin-5-one Investigative 10492654 C14H21N5O 275.35 CCCN1C=NC2=C1N(C(=O)N3C2=NCCC3)CCC IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B1ANS6 Sulmazole Investigative 5353 C14H13N3O2S 287.34 COC1=C(C=CC(=C1)S(=O)C)C2=NC3=C(N2)C=CC=N3 IC50 = 50118.72 nM Poor binder T33754 Phosphodiesterase 3 B1HS9A 2-[4-[2,3-Bis(hydroxymethyl)-7-methoxy-6-phenylmethoxynaphthalen-1-yl]pyridin-2-yl]-4-pyridin-3-ylphthalazin-1-one;dihydrochloride Investigative 45259284 C38H32Cl2N4O5 695.6 COC1=CC2=C(C(=C(C=C2C=C1OCC3=CC=CC=C3)CO)CO)C4=CC(=NC=C4)N5C(=O)C6=CC=CC=C6C(=N5)C7=CN=CC=C7.Cl.Cl IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B1PXN4 Tert-butyl N-[4-[[(11R)-12-oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]carbamoyl]pyridin-3-yl]carbamate Investigative 10696630 C28H27N5O4 497.5 CC(C)(C)OC(=O)NC1=C(C=CN=C1)C(=O)N[C@H]2C(=O)N3CCC4=C3C(=CC=C4)C(=N2)C5=CC=CC=C5 IC50 = 54700 nM Poor binder T33754 Phosphodiesterase 3 B1X4DU 2-Methyl-5-benzyl-6-oxo-1,6-dihydropyridine-3-carbonitrile Investigative 70686743 C14H12N2O 224.26 CC1=C(C=C(C(=O)N1)CC2=CC=CC=C2)C#N IC50 = 128300 nM Poor binder T33754 Phosphodiesterase 3 B2ADU7 2-(Cyclohexylmethyl)-5-benzyl-3,5-dihydro-2H-pyrazolo[4,3-c]quinoline-3-one Investigative 12016995 C24H25N3O 371.5 C1CCC(CC1)CN2C(=O)C3=CN(C4=CC=CC=C4C3=N2)CC5=CC=CC=C5 IC50 = 102000 nM Poor binder T33754 Phosphodiesterase 3 B2L6WO 6,9-Dipropyltetrazolo[5,1-f]purin-5-one Investigative 10491646 C11H15N7O 261.279 CCCN1C=NC2=C1C3=NN=NN3C(=O)N2CCC IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B2RH0L 1-(3-Chloro-4,5-dimethoxyphenyl)-3-[[4-(2-hydroxyethyl)piperazino]carbonyl]-6,7-dimethoxy-2-naphthoic acid methyl ester Investigative 10650764 C29H33ClN2O8 573 COC1=CC2=CC(=C(C(=C2C=C1OC)C3=CC(=C(C(=C3)Cl)OC)OC)C(=O)OC)C(=O)N4CCN(CC4)CCO IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B2S3MG 6-Methoxy-9-phenyl-1,7,10-triazatricyclo[6.4.1.04,13]trideca-4,6,8(13),9-tetraen-12-one Investigative 15606258 C17H15N3O2 293.32 COC1=NC2=C3C(=C1)CCN3C(=O)CN=C2C4=CC=CC=C4 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B34ESA 3-(4-Imidazol-1-ylphenyl)-4-methyl-1,4-dihydropyrazol-5-one Investigative 13946679 C13H12N4O 240.26 CC1C(=NNC1=O)C2=CC=C(C=C2)N3C=CN=C3 IC50 = 140000 nM Poor binder T33754 Phosphodiesterase 3 B38KPN N-[(11R)-12-Oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]pyridine-4-carboxamide Investigative 10833764 C23H18N4O2 382.4 C1CN2C(=O)[C@@H](N=C(C3=CC=CC1=C32)C4=CC=CC=C4)NC(=O)C5=CC=NC=C5 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B3EAM6 T 0156 Hydrochloride Investigative 9852041 C31H30ClN5O7 620 CC1=NC=CC(=C1)CN2C(=C(C3=C(C2=O)C(=NC=C3)OCC4=NC=CC=N4)C5=CC(=C(C(=C5)OC)OC)OC)C(=O)OC.Cl IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B3GOP9 N-Benzyl-2-butylthieno[3,2-d]pyrimidine-4-amine Investigative 10590134 C17H19N3S 297.4 CCCCC1=NC2=C(C(=N1)NCC3=CC=CC=C3)SC=C2 IC50 = 97000 nM Poor binder T33754 Phosphodiesterase 3 B3M4FN 4-Amino-N-[(11R)-6-amino-12-oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]-3,5-dichlorobenzamide Investigative 9826435 C24H19Cl2N5O2 480.3 C1CN2C(=O)[C@@H](N=C(C3=CC(=CC1=C32)N)C4=CC=CC=C4)NC(=O)C5=CC(=C(C(=C5)Cl)N)Cl IC50 = 51600 nM Poor binder T33754 Phosphodiesterase 3 B3RH6C 4-Propyl-1,4-dihydro-5H-imidazo[2,1-i]purin-5-one Investigative 10536740 C10H11N5O 217.23 CCCN1C2=C(C3=NC=CN3C1=O)NC=N2 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B3W0GN 4-Ethyl-2,4-dihydro-5-[4-(1H-imidazol-1-yl)phenyl]-4-methyl-3H-pyrazol-3-one Investigative 13518856 C15H16N4O 268.31 CCC1(C(=NNC1=O)C2=CC=C(C=C2)N3C=CN=C3)C IC50 = 52000 nM Poor binder T33754 Phosphodiesterase 3 B42HIX 1-(2-Thienyl)-3-[[4-(2-hydroxyethyl)piperazino]carbonyl]-6,7-dimethoxy-2-naphthoic acid methyl ester Investigative 10791038 C25H28N2O6S 484.6 COC1=CC2=CC(=C(C(=C2C=C1OC)C3=CC=CS3)C(=O)OC)C(=O)N4CCN(CC4)CCO IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B43EAS CCK antagonist synthetic 14 Investigative 14208192 C24H18N4O2 394.4 C1=CC=C(C=C1)C2=NC(C(=O)NC3=CC=CC=C32)NC(=O)C4=CC5=CC=CC=C5N4 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B43GWY 2-Isopropyl-5-benzyl-3,5-dihydro-2H-pyrazolo[4,3-c]quinoline-3-one Investigative 12016987 C20H19N3O 317.4 CC(C)N1C(=O)C2=CN(C3=CC=CC=C3C2=N1)CC4=CC=CC=C4 IC50 = 86000 nM Poor binder T33754 Phosphodiesterase 3 B49ESZ 1-(3-Bromo-4,5-dimethoxyphenyl)-3-[[4-(2-hydroxyethyl)piperazino]carbonyl]-6,7-dimethoxy-2-naphthoic acid methyl ester Investigative 10508072 C29H33BrN2O8 617.5 COC1=CC2=CC(=C(C(=C2C=C1OC)C3=CC(=C(C(=C3)Br)OC)OC)C(=O)OC)C(=O)N4CCN(CC4)CCO IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B4F5DN N-[(11R)-12-Oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]isoquinoline-3-carboxamide Investigative 10812634 C27H20N4O2 432.5 C1CN2C(=O)[C@@H](N=C(C3=CC=CC1=C32)C4=CC=CC=C4)NC(=O)C5=CC6=CC=CC=C6C=N5 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B4GNR0 N-[(11R)-6-Amino-12-oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]-3,5-dichloropyridine-4-carboxamide Investigative 10504383 C23H17Cl2N5O2 466.3 C1CN2C(=O)[C@@H](N=C(C3=CC(=CC1=C32)N)C4=CC=CC=C4)NC(=O)C5=C(C=NC=C5Cl)Cl IC50 = 80000 nM Poor binder T33754 Phosphodiesterase 3 B4LU9Y 5-(2-Ethoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one Investigative 135401477 C17H20N4O2 312.37 CCCC1=NN(C2=C1N=C(NC2=O)C3=CC=CC=C3OCC)C IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B4N0VJ N-[(11R)-6-Amino-12-oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]pyridine-4-carboxamide Investigative 10668502 C23H19N5O2 397.4 C1CN2C(=O)[C@@H](N=C(C3=CC(=CC1=C32)N)C4=CC=CC=C4)NC(=O)C5=CC=NC=C5 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B50OKA 2-Butyl-4-(benzyloxy)thieno[3,2-d]pyrimidine Investigative 10661817 C17H18N2OS 298.4 CCCCC1=NC2=C(C(=N1)OCC3=CC=CC=C3)SC=C2 IC50 = 58000 nM Poor binder T33754 Phosphodiesterase 3 B5E8JU 1-(3-Amino-4,5-dimethoxyphenyl)-3-[[4-(2-hydroxyethyl)piperazino]carbonyl]-6,7-dimethoxy-2-naphthoic acid methyl ester Investigative 10840471 C29H35N3O8 553.6 COC1=CC2=CC(=C(C(=C2C=C1OC)C3=CC(=C(C(=C3)OC)OC)N)C(=O)OC)C(=O)N4CCN(CC4)CCO IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B5M1KV Hydroxyhomosildenafil Investigative 135452901 C23H32N6O5S 504.6 CCCC1=NN(C2=C1N=C(NC2=O)C3=C(C=CC(=C3)S(=O)(=O)N4CCN(CC4)CCO)OCC)C IC50 = 62000 nM Poor binder T33754 Phosphodiesterase 3 B5YPU0 N-Ethyl-N-[[4-[2-(tetrazol-2-yl)phenyl]phenyl]methyl]-[1,2,4]thiadiazolo[2,3-a]benzimidazol-2-amine Investigative 44365068 C24H20N8S 452.5 CCN(CC1=CC=C(C=C1)C2=CC=CC=C2N3N=CN=N3)C4=NC5=NC6=CC=CC=C6N5S4 IC50 = 125000 nM Poor binder T33754 Phosphodiesterase 3 B60FHJ 5-(2-Ethoxyphenyl)-1,3-dimethyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one Investigative 135433645 C15H16N4O2 284.31 CCOC1=CC=CC=C1C2=NC3=C(C(=O)N2)N(N=C3C)C IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B63PGL 2-Methoxy-N-[(11R)-6-methyl-12-oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]benzamide Investigative 10764856 C26H23N3O3 425.5 CC1=CC2=C3C(=C1)C(=N[C@H](C(=O)N3CC2)NC(=O)C4=CC=CC=C4OC)C5=CC=CC=C5 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B6CO7V 1-(3,4,5-Trimethoxyphenyl)-3-[[4-(ethoxycarbonyl)piperidino]carbonyl]-6,7-dimethoxy-2-naphthoic acid methyl ester Investigative 10817302 C32H37NO10 595.6 CCOC(=O)C1CCN(CC1)C(=O)C2=C(C(=C3C=C(C(=CC3=C2)OC)OC)C4=CC(=C(C(=C4)OC)OC)OC)C(=O)OC IC50 = 60000 nM Poor binder T33754 Phosphodiesterase 3 B6FLE7 N-[6-Chloro-9-(2-fluorophenyl)-12-oxo-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]-1H-indole-2-carboxamide Investigative 44209387 C26H18ClFN4O2 472.9 C1CN2C(=O)C(N=C(C3=CC(=CC1=C32)Cl)C4=CC=CC=C4F)NC(=O)C5=CC6=CC=CC=C6N5 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B6JYK0 [4-(2-Hydroxy-ethyl)-piperazin-1-yl]-[3-hydroxymethyl-6,7-dimethoxy-4-(3,4,5-trimethoxy-phenyl)-naphthalen-2-yl]-methanone Investigative 10602534 C29H36N2O8 540.6 COC1=CC2=CC(=C(C(=C2C=C1OC)C3=CC(=C(C(=C3)OC)OC)OC)CO)C(=O)N4CCN(CC4)CCO IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B75RUK 4-Amino-3,5-dichloro-N-[(11R)-12-oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]benzamide Investigative 44348994 C24H18Cl2N4O2 465.3 C1CN2C(=O)[C@@H](N=C(C3=CC=CC1=C32)C4=CC=CC=C4)NC(=O)C5=CC(=C(C(=C5)Cl)N)Cl IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B7AG1X 1-(1,3-Benzodioxole-5-yl)-3-[[4-(2-hydroxyethyl)piperazino]carbonyl]-6,7-dimethoxy-2-naphthoic acid methyl ester Investigative 10792119 C28H30N2O8 522.5 COC1=CC2=CC(=C(C(=C2C=C1OC)C3=CC4=C(C=C3)OCO4)C(=O)OC)C(=O)N5CCN(CC5)CCO IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B7E5PT 6-Methoxy-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-12-one Investigative 10541661 C18H16N2O2 292.3 COC1=CC2=C3C(=C1)C(=NCC(=O)N3CC2)C4=CC=CC=C4 IC50 = 77000 nM Poor binder T33754 Phosphodiesterase 3 B7EMW3 2-Butyl-5-phenyl-3,5-dihydro-2H-pyrazolo[4,3-c]quinoline-3-one Investigative 44323257 C20H19N3O 317.4 CCCCN1C(=O)C2=CN(C3=CC=CC=C3C2=N1)C4=CC=CC=C4 IC50 = 68000 nM Poor binder T33754 Phosphodiesterase 3 B7MC1N 6,8-Dimethoxy-4-methyl-3H-quinazolin-2-one Investigative 13813707 C11H12N2O3 220.22 CC1=C2C=C(C=C(C2=NC(=O)N1)OC)OC IC50 = 190000 nM Poor binder T33754 Phosphodiesterase 3 B7VD1F 2-Butyl-4-pyrrolizinothieno[3,2-d]pyrimidine Investigative 44279648 C14H19N3S 261.39 CCCCC1=NC2=C(C(=N1)N3CCCC3)SC=C2 IC50 = 68000 nM Poor binder T33754 Phosphodiesterase 3 B80KSO N-[(11R)-6-Amino-12-oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]quinoline-3-carboxamide Investigative 10789583 C27H21N5O2 447.5 C1CN2C(=O)[C@@H](N=C(C3=CC(=CC1=C32)N)C4=CC=CC=C4)NC(=O)C5=CC6=CC=CC=C6N=C5 IC50 = 53900 nM Poor binder T33754 Phosphodiesterase 3 B81LFY N-[(11R)-6-Amino-12-oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]-2-methoxybenzamide Investigative 10526455 C25H22N4O3 426.5 COC1=CC=CC=C1C(=O)N[C@H]2C(=O)N3CCC4=C3C(=CC(=C4)N)C(=N2)C5=CC=CC=C5 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B8C0OE (4-Methyl-piperazin-1-yl)-[8-(3-nitro-phenyl)-[1,7]naphthyridin-6-yl]-methanone Investigative 10547592 C20H19N5O3 377.4 CN1CCN(CC1)C(=O)C2=NC(=C3C(=C2)C=CC=N3)C4=CC(=CC=C4)[N+](=O)[O-] IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B8E7NX 2-Butyl-3,5-dihydro-2H-pyrazolo[4,3-c]quinoline-3-one Investigative 44323510 C14H15N3O 241.29 CCCCN1C(=O)C2=C(N1)C3=CC=CC=C3N=C2 IC50 = 136000 nM Poor binder T33754 Phosphodiesterase 3 B8EP9B 1-Methyl-5-(2-nitrophenyl)-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one Investigative 135832642 C15H15N5O3 313.31 CCCC1=NN(C2=C1N=C(NC2=O)C3=CC=CC=C3[N+](=O)[O-])C IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B8F5IL 1-(3,4,5-Trimethoxyphenyl)-3-[(4-oxopiperidino)carbonyl]-6,7-dimethoxy-2-naphthoic acid methyl ester Investigative 10650055 C29H31NO9 537.6 COC1=CC2=CC(=C(C(=C2C=C1OC)C3=CC(=C(C(=C3)OC)OC)OC)C(=O)OC)C(=O)N4CCC(=O)CC4 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B8GC4L N-(2,6-Difluorobenzyl)-2-butylthieno[3,2-d]pyrimidine-4-amine Investigative 10830480 C17H17F2N3S 333.4 CCCCC1=NC2=C(C(=N1)NCC3=C(C=CC=C3F)F)SC=C2 IC50 = 64000 nM Poor binder T33754 Phosphodiesterase 3 B8O5DE 2-Methyl-5-(4-methylbenzyl)-6-oxo-1,6-dihydropyridine-3-carboxylic acid ethyl ester Investigative 70690900 C17H19NO3 285.34 CCOC(=O)C1=C(NC(=O)C(=C1)CC2=CC=C(C=C2)C)C IC50 = 172500 nM Poor binder T33754 Phosphodiesterase 3 B8TZX2 1-(4-Imidazol-1-ylphenyl)-2,3-diazaspiro[4.4]non-1-en-4-one Investigative 13946685 C16H16N4O 280.32 C1CCC2(C1)C(=NNC2=O)C3=CC=C(C=C3)N4C=CN=C4 IC50 = 54000 nM Poor binder T33754 Phosphodiesterase 3 B8UQC3 3(2H)-Isoquinolinone, 4-chloro-6,7-dimethoxy-1-methyl- Investigative 14067774 C12H12ClNO3 253.68 CC1=C2C=C(C(=CC2=C(C(=O)N1)Cl)OC)OC IC50 = 62000 nM Poor binder T33754 Phosphodiesterase 3 B8Y4LK 3(2H)-Pyridazinone, 5-ethyl-4,5-dihydro-6-[4-(1H-imidazol-1-yl)phenyl]- Investigative 13233885 C15H16N4O 268.31 CCC1CC(=O)NN=C1C2=CC=C(C=C2)N3C=CN=C3 IC50 = 74000 nM Poor binder T33754 Phosphodiesterase 3 B9BK4M 3-(3-Methyl-2-phenylimidazol-4-yl)-1H-pyridazin-6-one Investigative 13475882 C14H12N4O 252.27 CN1C(=CN=C1C2=CC=CC=C2)C3=NNC(=O)C=C3 IC50 = 160000 nM Poor binder T33754 Phosphodiesterase 3 B9D3TS 2-Methyl-5-benzyl-6-oxo-1,6-dihydropyridine-3-carboxylic acid methyl ester Investigative 70690901 C15H15NO3 257.279 CC1=C(C=C(C(=O)N1)CC2=CC=CC=C2)C(=O)OC IC50 = 163500 nM Poor binder T33754 Phosphodiesterase 3 B9EM1H 1-(3,4,5-Trimethoxyphenyl)-3-(piperidinocarbonyl)-6,7-dimethoxy-2-naphthoic acid methyl ester Investigative 10792156 C29H33NO8 523.6 COC1=CC2=CC(=C(C(=C2C=C1OC)C3=CC(=C(C(=C3)OC)OC)OC)C(=O)OC)C(=O)N4CCCCC4 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B9F7DC 1-(3,4-Dichlorophenyl)-3-[[4-(2-hydroxyethyl)piperazino]carbonyl]-6,7-dimethoxy-2-naphthoic acid methyl ester Investigative 10626417 C27H28Cl2N2O6 547.4 COC1=CC2=CC(=C(C(=C2C=C1OC)C3=CC(=C(C=C3)Cl)Cl)C(=O)OC)C(=O)N4CCN(CC4)CCO IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B9H1FP 1-(3-Bromo-4,5-dimethoxyphenyl)-3-[[4-(2-hydroxyethyl)piperazino]carbonyl]-7-chloro-2-naphthoic acid methyl ester Investigative 10603533 C27H28BrClN2O6 591.9 COC1=C(C(=CC(=C1)C2=C3C=C(C=CC3=CC(=C2C(=O)OC)C(=O)N4CCN(CC4)CCO)Cl)Br)OC IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B9HZ8S 5,8-Dimethoxy-4-methyl-3H-quinazolin-2-one Investigative 13813706 C11H12N2O3 220.22 CC1=C2C(=CC=C(C2=NC(=O)N1)OC)OC IC50 = 129000 nM Poor binder T33754 Phosphodiesterase 3 B9K6NZ 1-(3-Bromo-4,5-dimethoxyphenyl)-3-[[4-(2-hydroxyethyl)piperazino]carbonyl]-5-chloro-2-naphthoic acid methyl ester Investigative 10232923 C27H28BrClN2O6 591.9 COC1=C(C(=CC(=C1)C2=C3C=CC=C(C3=CC(=C2C(=O)OC)C(=O)N4CCN(CC4)CCO)Cl)Br)OC IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B9MY0H 1-(3,4,5-Trimethoxyphenyl)-3-[[4-(2-hydroxyethyl)piperazino]carbonyl]-6,7-dimethoxy-2-naphthoic acid methyl ester Investigative 10626842 C30H36N2O9 568.6 COC1=CC2=CC(=C(C(=C2C=C1OC)C3=CC(=C(C(=C3)OC)OC)OC)C(=O)OC)C(=O)N4CCN(CC4)CCO IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 B9R8VI N-Benzyl-2-(2-methylpropyl)thieno[3,2-d]pyrimidin-4-amine Investigative 10827879 C17H19N3S 297.4 CC(C)CC1=NC2=C(C(=N1)NCC3=CC=CC=C3)SC=C2 IC50 = 58000 nM Poor binder T33754 Phosphodiesterase 3 B9XEJ4 6-(4-(1H-Imidazol-1-yl)phenyl)-5-methylpyridazin-3(2H)-one Investigative 14099446 C14H12N4O 252.27 CC1=CC(=O)NN=C1C2=CC=C(C=C2)N3C=CN=C3 IC50 = 50000 nM Poor binder T33754 Phosphodiesterase 3 BA2DJ6 3-[2-(3,4-Dimethoxyphenyl)-1-methylimidazol-4-yl]-4,5-dihydro-1H-pyridazin-6-one Investigative 13553473 C16H18N4O3 314.34 CN1C=C(N=C1C2=CC(=C(C=C2)OC)OC)C3=NNC(=O)CC3 IC50 = 128000 nM Poor binder T33754 Phosphodiesterase 3 BA7SB9 N-[(11R)-6-Methyl-12-oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]isoquinoline-3-carboxamide Investigative 10718244 C28H22N4O2 446.5 CC1=CC2=C3C(=C1)C(=N[C@H](C(=O)N3CC2)NC(=O)C4=CC5=CC=CC=C5C=N4)C6=CC=CC=C6 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BA7SN4 1-(3-Bromo-4,5-dimethoxyphenyl)-3-[[4-(2-hydroxyethyl)piperazino]carbonyl]-7-methyl-2-naphthoic acid methyl ester Investigative 10840815 C28H31BrN2O6 571.5 CC1=CC2=C(C(=C(C=C2C=C1)C(=O)N3CCN(CC3)CCO)C(=O)OC)C4=CC(=C(C(=C4)Br)OC)OC IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BA8B1U 9-Benzyl-N,N-dimethyl-2-(trifluoromethyl)purin-6-amine Investigative 5271722 C15H14F3N5 321.3 CN(C)C1=NC(=NC2=C1N=CN2CC3=CC=CC=C3)C(F)(F)F IC50 = 61000 nM Poor binder T33754 Phosphodiesterase 3 BA92UI 3(2H)-Isoquinolinone, 6,8-dimethoxy-1-methyl- Investigative 14067800 C12H13NO3 219.24 CC1=C2C(=CC(=O)N1)C=C(C=C2OC)OC IC50 = 80000 nM Poor binder T33754 Phosphodiesterase 3 BABS09 4-[8-(3-Chlorophenyl)-1,7-naphthyridin-6-yl]benzoic Acid Investigative 10451184 C21H13ClN2O2 360.8 C1=CC(=CC(=C1)Cl)C2=C3C(=CC(=N2)C4=CC=C(C=C4)C(=O)O)C=CC=N3 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BAKE71 5-(2-Hydroxyphenyl)-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-D]pyrimidin-7-one Investigative 136056125 C14H14N4O2 270.29 CCCC1=C2C(=NN1)C(=O)NC(=N2)C3=CC=CC=C3O IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BAX9W7 N-[(11R)-12-Oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]pyridine-3-carboxamide Investigative 10571952 C23H18N4O2 382.4 C1CN2C(=O)[C@@H](N=C(C3=CC=CC1=C32)C4=CC=CC=C4)NC(=O)C5=CN=CC=C5 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BB0N4P 2-[5-[2,3-Bis(hydroxymethyl)-6,7-dimethoxynaphthalen-1-yl]pyridin-2-yl]-4-pyridin-3-ylphthalazin-1-one;hydrochloride Investigative 45263841 C32H27ClN4O5 583 COC1=CC2=CC(=C(C(=C2C=C1OC)C3=CN=C(C=C3)N4C(=O)C5=CC=CC=C5C(=N4)C6=CN=CC=C6)CO)CO.Cl IC50 = 80000 nM Poor binder T33754 Phosphodiesterase 3 BB1XP3 6,7-Dimethoxy-4-(trifluoromethyl)-3H-quinazolin-2-one Investigative 13365079 C11H9F3N2O3 274.2 COC1=CC2=C(NC(=O)N=C2C=C1OC)C(F)(F)F IC50 = 100000 nM Poor binder T33754 Phosphodiesterase 3 BB74MR 1,4-Dipropyl-1,4-dihydro-5H-imidazo[2,1-i]purin-5-one Investigative 10706416 C13H17N5O 259.31 CCCN1C=NC2=C1C3=NC=CN3C(=O)N2CCC IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BB92VR 1,4-Dipropyl-7,8-dihydroimidazo[2,1-f]purin-5-one Investigative 10515565 C13H19N5O 261.32 CCCN1C=NC2=C1C3=NCCN3C(=O)N2CCC IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BBEU89 1-(3-Bromo-4,5-dimethoxyphenyl)-3-[[4-(2-hydroxyethyl)piperazino]carbonyl]-2-naphthoic acid methyl ester Investigative 10816641 C27H29BrN2O6 557.4 COC1=C(C(=CC(=C1)C2=C(C(=CC3=CC=CC=C32)C(=O)N4CCN(CC4)CCO)C(=O)OC)Br)OC IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BBG85C 6,7-Dipropyltetrazolo[5,1-f]purin-5-one Investigative 10563356 C11H15N7O 261.279 CCCN1C=NC2=C1N(C(=O)N3C2=NN=N3)CCC IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BBIO52 3,4-Dipropyl-7,8,9,10-tetrahydro-[1,3]diazepino[2,1-f]purin-5-one Investigative 10613420 C15H23N5O 289.38 CCCN1C=NC2=C1N(C(=O)N3C2=NCCCC3)CCC IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BBN43O 1-(3,4,5-Trimethoxyphenyl)-3-[[4-(hydroxymethyl)piperidino]carbonyl]-6,7-dimethoxy-2-naphthoic acid methyl ester Investigative 10792829 C30H35NO9 553.6 COC1=CC2=CC(=C(C(=C2C=C1OC)C3=CC(=C(C(=C3)OC)OC)OC)C(=O)OC)C(=O)N4CCC(CC4)CO IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BBQ31S (3-Hydroxymethyl-6,7-dimethoxy-naphthalen-2-yl)-methanol Investigative 10729204 C14H16O4 248.27 COC1=CC2=CC(=C(C=C2C=C1OC)CO)CO IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BC0AT9 1-(3,4,5-Trimethoxyphenyl)-3-[(4-methylpiperazino)carbonyl]-6,7-dimethoxy-2-naphthoic acid methyl ester Investigative 10673963 C29H34N2O8 538.6 CN1CCN(CC1)C(=O)C2=C(C(=C3C=C(C(=CC3=C2)OC)OC)C4=CC(=C(C(=C4)OC)OC)OC)C(=O)OC IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BC3KY5 1-(3,4,5-Trimethoxyphenyl)-6,7-dimethoxy-2,3-naphthalenedicarboxylic acid dimethyl ester Investigative 44274868 C25H26O9 470.5 COC1=CC2=CC(=C(C(=C2C=C1OC)C3=CC(=C(C(=C3)OC)OC)OC)C(=O)OC)C(=O)OC IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BC40DN 6-Propyl-6,9-dihydro-5H-tetrazolo[5,1-i]purin-5-one Investigative 135531470 C8H9N7O 219.2 CCCN1C2=C(C3=NN=NN3C1=O)NC=N2 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BC80NT 1-(2-Bromo-4-pyridyl)-3-[[4-(2-hydroxyethyl)piperazino]carbonyl]-6,7-dimethoxy-2-naphthoic acid methyl ester Investigative 44274658 C26H28BrN3O6 558.4 COC1=CC2=CC(=C(C(=C2C=C1OC)C3=CC(=NC=C3)Br)C(=O)OC)C(=O)N4CCN(CC4)CCO IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BCO5G0 4,7-Dimethyl-N-[(11R)-6-methyl-12-oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]pyrazolo[5,1-c][1,2,4]triazine-3-carboxamide Investigative 9825739 C26H23N7O2 465.5 CC1=CC2=C3C(=C1)C(=N[C@H](C(=O)N3CC2)NC(=O)C4=C(N5C(=CC(=N5)C)N=N4)C)C6=CC=CC=C6 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BCQ9N3 5-Phenyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one Investigative 136056127 C14H14N4O 254.29 CCCC1=C2C(=NN1)C(=O)NC(=N2)C3=CC=CC=C3 IC50 = 63000 nM Poor binder T33754 Phosphodiesterase 3 BD3L8G N-Cyclohexyl-N-methyl-4-[(2-oxo-5,10-dihydro-3H-imidazo[2,1-b]quinazolin-9-yl)oxy]butanamide Investigative 135626519 C21H28N4O3 384.5 CN(C1CCCCC1)C(=O)CCCOC2=CC=CC3=C2N=C4NC(=O)CN4C3 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BD3T2P 1,4-Dipropyl-8,9-dihydro-7H-pyrimido[2,1-f]purin-5-one Investigative 10492653 C14H21N5O 275.35 CCCN1C=NC2=C1C3=NCCCN3C(=O)N2CCC IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BD76NM N-(6-Methoxy-12-oxo-9-phenyl-1,7,10-triazatricyclo[6.4.1.04,13]trideca-4,6,8(13),9-tetraen-11-yl)pyridine-3-carboxamide Investigative 11373312 C23H19N5O3 413.4 COC1=NC2=C3C(=C1)CCN3C(=O)C(N=C2C4=CC=CC=C4)NC(=O)C5=CN=CC=C5 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BDR9M8 4,4-Diethyl-3-(4-imidazol-1-ylphenyl)-1H-pyrazol-5-one Investigative 13946684 C16H18N4O 282.34 CCC1(C(=NNC1=O)C2=CC=C(C=C2)N3C=CN=C3)CC IC50 = 120000 nM Poor binder T33754 Phosphodiesterase 3 BE7JQ5 N-(13-Oxo-10-phenyl-1,11-diazatricyclo[7.4.1.05,14]tetradeca-5(14),6,8,10-tetraen-12-yl)-1H-indole-2-carboxamide Investigative 44209388 C27H22N4O2 434.5 C1CC2=C3C(=CC=C2)C(=NC(C(=O)N3C1)NC(=O)C4=CC5=CC=CC=C5N4)C6=CC=CC=C6 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BEB5V4 3-(4-Acetyl-2,3-dihydro-1,4-benzoxazin-6-yl)-4,5-dihydro-1H-pyridazin-6-one Investigative 15599408 C14H15N3O3 273.29 CC(=O)N1CCOC2=C1C=C(C=C2)C3=NNC(=O)CC3 IC50 = 100000 nM Poor binder T33754 Phosphodiesterase 3 BEC1S6 N-[(11R)-6-Methoxy-12-oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]isoquinoline-3-carboxamide Investigative 10552011 C28H22N4O3 462.5 COC1=CC2=C3C(=C1)C(=N[C@H](C(=O)N3CC2)NC(=O)C4=CC5=CC=CC=C5C=N4)C6=CC=CC=C6 IC50 = 82000 nM Poor binder T33754 Phosphodiesterase 3 BED62N 4-Cyclopentyl-6,7-dimethoxy-1-methyl-2H-isoquinolin-3-one Investigative 14067812 C17H21NO3 287.35 CC1=C2C=C(C(=CC2=C(C(=O)N1)C3CCCC3)OC)OC IC50 = 128000 nM Poor binder T33754 Phosphodiesterase 3 BEHX76 6-Trifluoromethylsulfonyloxy-8-(3-nitrophenyl)-1,7-naphthyridine Investigative 10810934 C15H8F3N3O5S 399.3 C1=CC(=CC(=C1)[N+](=O)[O-])C2=C3C(=CC(=N2)OS(=O)(=O)C(F)(F)F)C=CC=N3 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BEM24L 6-(4-Methylsulfonyl-2,3-dihydro-1,4-benzoxazin-6-yl)-2-phenyl-4,5-dihydropyridazin-3-one Investigative 44350226 C19H19N3O4S 385.4 CS(=O)(=O)N1CCOC2=C1C=C(C=C2)C3=NN(C(=O)CC3)C4=CC=CC=C4 IC50 = 200000 nM Poor binder T33754 Phosphodiesterase 3 BEN3V1 [7-Hydroxymethyl-5-(3,4,5-trimethoxy-phenyl)-naphtho[2,3-d][1,3]dioxol-6-yl]-methanol Investigative 10692240 C22H22O7 398.4 COC1=CC(=CC(=C1OC)OC)C2=C3C=C4C(=CC3=CC(=C2CO)CO)OCO4 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BEPU95 N-[(11R)-6-Methoxy-12-oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]-1H-indole-2-carboxamide Investigative 44349295 C27H22N4O3 450.5 COC1=CC2=C3C(=C1)C(=N[C@H](C(=O)N3CC2)NC(=O)C4=CC5=CC=CC=C5N4)C6=CC=CC=C6 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BF60BE 4-Amino-N-[(11R)-6-amino-12-oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]benzamide Investigative 10525677 C24H21N5O2 411.5 C1CN2C(=O)[C@@H](N=C(C3=CC(=CC1=C32)N)C4=CC=CC=C4)NC(=O)C5=CC=C(C=C5)N IC50 = 86800 nM Poor binder T33754 Phosphodiesterase 3 BF9W4G Methyl 7-[(2-methylpyridin-4-yl)methyl]-8-oxo-2-(pyridin-2-ylmethoxy)-5-(3,4,5-trimethoxyphenyl)-1,7-naphthyridine-6-carboxylate;hydrochloride Investigative 45264572 C32H31ClN4O7 619.1 CC1=NC=CC(=C1)CN2C(=C(C3=C(C2=O)N=C(C=C3)OCC4=CC=CC=N4)C5=CC(=C(C(=C5)OC)OC)OC)C(=O)OC.Cl IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BFAK10 6-(4-Imidazol-1-yl-phenyl)-2-methyl-4,5-dihydro-2H-pyridazin-3-one Investigative 13233881 C14H14N4O 254.29 CN1C(=O)CCC(=N1)C2=CC=C(C=C2)N3C=CN=C3 IC50 = 110000 nM Poor binder T33754 Phosphodiesterase 3 BFD7K3 N-Benzylthieno[3,2-d]pyrimidin-4-amine Investigative 10610142 C13H11N3S 241.31 C1=CC=C(C=C1)CNC2=NC=NC3=C2SC=C3 IC50 = 68000 nM Poor binder T33754 Phosphodiesterase 3 BG0F1E 2-Butyl-N-[(4-phenylphenyl)methyl]thieno[3,2-d]pyrimidin-4-amine Investigative 10690761 C23H23N3S 373.5 CCCCC1=NC2=C(C(=N1)NCC3=CC=C(C=C3)C4=CC=CC=C4)SC=C2 IC50 = 200000 nM Poor binder T33754 Phosphodiesterase 3 BG1T9L 1-Butyl-4-(7-ethoxy-2,3-bis-hydroxymethyl-5-methoxy-naphthalen-1-yl)-3,6-dihydro-1H-pyridin-2-one Investigative 44324391 C24H31NO5 413.5 CCCCN1CC=C(CC1=O)C2=C(C(=CC3=C2C=C(C=C3OC)OCC)CO)CO IC50 = 50000 nM Poor binder T33754 Phosphodiesterase 3 BG2OL9 3-[(E)-2-[4-(4,5-Dimethylimidazol-1-yl)phenyl]ethenyl]-4-methyl-4,5-dihydro-1H-pyridazin-6-one Investigative 44344410 C18H20N4O 308.4 CC1CC(=O)NN=C1/C=C/C2=CC=C(C=C2)N3C=NC(=C3C)C IC50 = 87000 nM Poor binder T33754 Phosphodiesterase 3 BG5AB4 3,4-Dipropyl-3,4-dihydro-5H-imidazo[2,1-i]purin-5-one Investigative 9859958 C13H17N5O 259.31 CCCN1C=NC2=C1N(C(=O)N3C2=NC=C3)CCC IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BG5X3F 2-[4-[2,3-Bis(hydroxymethyl)naphthalen-1-yl]pyridin-2-yl]-4-pyridin-3-ylphthalazin-1-one;hydrochloride Investigative 45259281 C30H23ClN4O3 523 C1=CC=C2C(=C1)C=C(C(=C2C3=CC(=NC=C3)N4C(=O)C5=CC=CC=C5C(=N4)C6=CN=CC=C6)CO)CO.Cl IC50 = 50000 nM Poor binder T33754 Phosphodiesterase 3 BHE2C0 1-(3,4,5-Trimethoxyphenyl)-3-[[4-(2-hydroxyethyl)piperazino]methyl]-6,7-dimethoxy-2-naphthoic acid methyl ester Investigative 10792853 C30H38N2O8 554.6 COC1=CC2=CC(=C(C(=C2C=C1OC)C3=CC(=C(C(=C3)OC)OC)OC)C(=O)OC)CN4CCN(CC4)CCO IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BI85PY 6,7-Dimethoxy-2-methyl-4-(3,4,5-trimethoxy-phenyl)-benzo[f]isoindole-1,3-dione Investigative 10550927 C24H23NO7 437.4 CN1C(=O)C2=C(C1=O)C(=C3C=C(C(=CC3=C2)OC)OC)C4=CC(=C(C(=C4)OC)OC)OC IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BIDO97 3-Isoquinolinecarboxylic acid, 2-(4-aminophenyl)-1,2-dihydro-1-oxo-7-(2-pyridinylmethoxy)-4-(3,4,5-trimethoxyphenyl)-, methyl ester, sulfate (1:1) Investigative 9874535 C32H31N3O11S 665.7 COC1=CC(=CC(=C1OC)OC)C2=C(N(C(=O)C3=C2C=CC(=C3)OCC4=CC=CC=N4)C5=CC=C(C=C5)N)C(=O)OC.OS(=O)(=O)O IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BIHJ91 2-Methyl-5-propyl-6-oxo-1,6-dihydropyridine-3-carboxylic acid ethyl ester Investigative 44178556 C12H17NO3 223.27 CCCC1=CC(=C(NC1=O)C)C(=O)OCC IC50 = 125100 nM Poor binder T33754 Phosphodiesterase 3 BILA49 2-Phenethyl-5-benzyl-3,5-dihydro-2H-pyrazolo[4,3-c]quinoline-3-one Investigative 12016992 C25H21N3O 379.5 C1=CC=C(C=C1)CCN2C(=O)C3=CN(C4=CC=CC=C4C3=N2)CC5=CC=CC=C5 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BIT6E2 4-(6,7-Diethoxy-2,3-bis-hydroxymethyl-naphthalen-1-yl)-1-(2-methoxy-ethyl)-3,6-dihydro-1H-pyridin-2-one Investigative 44324507 C24H31NO6 429.5 CCOC1=CC2=CC(=C(C(=C2C=C1OCC)C3=CCN(C(=O)C3)CCOC)CO)CO IC50 = 57000 nM Poor binder T33754 Phosphodiesterase 3 BJ01WX 1-Butyl-4-(6,7-diethoxy-2,3-bis-hydroxymethyl-naphthalen-1-yl)-3,6-dihydro-1H-pyridin-2-one Investigative 44324390 C25H33NO5 427.5 CCCCN1CC=C(CC1=O)C2=C3C=C(C(=CC3=CC(=C2CO)CO)OCC)OCC IC50 = 50000 nM Poor binder T33754 Phosphodiesterase 3 BJ8ZK6 4-(3-Chloro-4-methoxy-benzylamino)-7-trifluoromethyl-quinoline-3-carboxylic acid ethyl ester Investigative 44286951 C21H18ClF3N2O3 438.8 CCOC(=O)C1=CN=C2C=C(C=CC2=C1NCC3=CC(=C(C=C3)OC)Cl)C(F)(F)F IC50 ~ 50000 nM Poor binder T33754 Phosphodiesterase 3 BJO4C3 2-Butyl-5-(cyclohexylmethyl)-3,5-dihydro-2H-pyrazolo[4,3-c]quinoline-3-one Investigative 44323256 C21H27N3O 337.5 CCCCN1C(=O)C2=CN(C3=CC=CC=C3C2=N1)CC4CCCCC4 IC50 = 111000 nM Poor binder T33754 Phosphodiesterase 3 BKP81M PDE4 inhibitor intermediate 1 Investigative 9842576 C21H29NO5 375.5 CC(=O)[C@@]1(CN(C[C@H]1C2=CC(=C(C=C2)OC)OC3CCCC3)C(=O)OC)C Ki ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BKVA57 Methyl 2-[(2-methylpyridin-4-yl)methyl]-1-oxo-8-(2-pyridin-2-ylethoxy)-4-(3,4,5-trimethoxyphenyl)-2,7-naphthyridine-3-carboxylate;hydrochloride Investigative 45264635 C33H33ClN4O7 633.1 CC1=NC=CC(=C1)CN2C(=C(C3=C(C2=O)C(=NC=C3)OCCC4=CC=CC=N4)C5=CC(=C(C(=C5)OC)OC)OC)C(=O)OC.Cl IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BL13VU (3Z)-3-[[3-(2-Bicyclo[2.2.1]heptanyloxy)-4-methoxyphenyl]methylidene]-1H-indol-2-one Investigative 11726102 C23H23NO3 361.4 COC1=C(C=C(C=C1)/C=C\\2/C3=CC=CC=C3NC2=O)OC4CC5CCC4C5 IC50 = 100000 nM Poor binder T33754 Phosphodiesterase 3 BL51JC (11R,15S)-8-Methyl-4-propyl-1,3,5,8,10-pentazatetracyclo[7.6.0.02,6.011,15]pentadeca-2(6),3,9-trien-7-one Investigative 10754735 C14H19N5O 273.33 CCCC1=NC2=C(N1)C(=O)N(C3=N[C@@H]4CCC[C@@H]4N23)C IC50 = 80000 nM Poor binder T33754 Phosphodiesterase 3 BL6IY3 4-Propyl-7,8-dihydro-1H-imidazo[2,1-f]purin-5-one Investigative 135442775 C10H13N5O 219.24 CCCN1C2=NC=NC2=C3NCCN3C1=O IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BMH5Z1 4-Chloro-N-[(11R)-6-methoxy-12-oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]benzamide Investigative 44348937 C25H20ClN3O3 445.9 COC1=CC2=C3C(=C1)C(=N[C@H](C(=O)N3CC2)NC(=O)C4=CC=C(C=C4)Cl)C5=CC=CC=C5 IC50 = 62000 nM Poor binder T33754 Phosphodiesterase 3 BMIV96 4-Propyl-7,8,9,10-tetrahydropyrimido[2,1-f]purin-5-one Investigative 135528334 C11H15N5O 233.27 CCCN1C2=NC=NC2=C3NCCCN3C1=O IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BN1XZ6 3,5-Dichloro-N-[(11R)-12-oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]pyridine-4-carboxamide Investigative 10694878 C23H16Cl2N4O2 451.3 C1CN2C(=O)[C@@H](N=C(C3=CC=CC1=C32)C4=CC=CC=C4)NC(=O)C5=C(C=NC=C5Cl)Cl IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BN9AQ1 6-(4-Carboxyphenyl)-8-(3-cyanophenyl)-1,7-naphthyridine Investigative 9928390 C22H13N3O2 351.4 C1=CC(=CC(=C1)C2=C3C(=CC(=N2)C4=CC=C(C=C4)C(=O)O)C=CC=N3)C#N IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BNO4D2 1-[(1-Butyl-2-oxo-1,2-dihydropyridin)-4-yl]-6,7-dimethoxynaphthalene-2,3-dimethanol Investigative 10763354 C23H27NO5 397.5 CCCCN1C=CC(=CC1=O)C2=C3C=C(C(=CC3=CC(=C2CO)CO)OC)OC IC50 = 80000 nM Poor binder T33754 Phosphodiesterase 3 BNQE49 3-Amino-N-[(11R)-12-oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]pyridine-4-carboxamide Investigative 10644497 C23H19N5O2 397.4 C1CN2C(=O)[C@@H](N=C(C3=CC=CC1=C32)C4=CC=CC=C4)NC(=O)C5=C(C=NC=C5)N IC50 = 90000 nM Poor binder T33754 Phosphodiesterase 3 BO3FU5 6-(4-Methylsulfonyl-2,3-dihydro-1,4-benzoxazin-6-yl)-2-pentyl-4,5-dihydropyridazin-3-one Investigative 15599405 C18H25N3O4S 379.5 CCCCCN1C(=O)CCC(=N1)C2=CC3=C(C=C2)OCCN3S(=O)(=O)C IC50 = 50000 nM Poor binder T33754 Phosphodiesterase 3 BO4HU9 N-[(3R)-1-(2-Fluorophenyl)-4-oxo-3,4,6,7-tetrahydro[1,4]diazepino[6,7,1-hi]indol-3-yl]-1H-indole-2-carboxamide Investigative 10455790 C26H19FN4O2 438.5 C1CN2C(=O)[C@@H](N=C(C3=CC=CC1=C32)C4=CC=CC=C4F)NC(=O)C5=CC6=CC=CC=C6N5 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BOGA69 6-(3,4-Dihydro-1,4(2H)-benzoxazin-6-yl)-2,3,4,5-tetrahydropyridazin-3-one Investigative 15599407 C12H13N3O2 231.25 C1CC(=O)NN=C1C2=CC3=C(C=C2)OCCN3 IC50 = 50000 nM Poor binder T33754 Phosphodiesterase 3 BOM6H7 1,3,7,8-Tetramethylimidazo[4,5-b]quinolin-2-one Investigative 15065166 C14H15N3O 241.29 CC1=C(C2=CC3=C(N=C2C=C1)N(C(=O)N3C)C)C IC50 = 70000 nM Poor binder T33754 Phosphodiesterase 3 BOM9S0 2-Methyl-5-benzyl-3,5-dihydro-2H-pyrazolo[4,3-c]quinoline-3-one Investigative 12016985 C18H15N3O 289.3 CN1C(=O)C2=CN(C3=CC=CC=C3C2=N1)CC4=CC=CC=C4 IC50 = 67000 nM Poor binder T33754 Phosphodiesterase 3 BOR72W 1-(2-Methyl-4,5-dimethoxyphenyl)-3-[[4-(2-hydroxyethyl)piperazino]carbonyl]-6,7-dimethoxy-2-naphthoic acid methyl ester Investigative 44274717 C30H36N2O8 552.6 CC1=CC(=C(C=C1C2=C3C=C(C(=CC3=CC(=C2C(=O)OC)C(=O)N4CCN(CC4)CCO)OC)OC)OC)OC IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BP1Q9U 1-(3,4,5-Trimethoxyphenyl)-3-[(4-hydroxypiperidino)carbonyl]-6,7-dimethoxy-2-naphthoic acid methyl ester Investigative 11800567 C29H33NO9 539.6 COC1=CC2=CC(=C(C(=C2C=C1OC)C3=CC(=C(C(=C3)OC)OC)OC)C(=O)OC)C(=O)N4CCC(CC4)O IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BP23YG 6-Methoxy-1-methylisoquinolin-3-ol Investigative 6624932 C11H11NO2 189.21 CC1=C2C=CC(=CC2=CC(=O)N1)OC IC50 = 160000 nM Poor binder T33754 Phosphodiesterase 3 BP5R8O N-[(11R)-6-Acetamido-12-oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]pyridine-4-carboxamide Investigative 10646721 C25H21N5O3 439.5 CC(=O)NC1=CC2=C3C(=C1)C(=N[C@H](C(=O)N3CC2)NC(=O)C4=CC=NC=C4)C5=CC=CC=C5 IC50 = 70000 nM Poor binder T33754 Phosphodiesterase 3 BPC5O6 1-(3-Bromo-4,5-dimethoxyphenyl)-3-[[4-(2-hydroxyethyl)piperazino]carbonyl]-6-ethoxy-7-methoxy-2-naphthoic acid methyl ester Investigative 10579873 C30H35BrN2O8 631.5 CCOC1=CC2=CC(=C(C(=C2C=C1OC)C3=CC(=C(C(=C3)Br)OC)OC)C(=O)OC)C(=O)N4CCN(CC4)CCO IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BQ5H8D Desmethylsildenafil Investigative 135455980 C21H28N6O4S 460.6 CCCC1=NN(C2=C1N=C(NC2=O)C3=C(C=CC(=C3)S(=O)(=O)N4CCNCC4)OCC)C IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BQAX74 6-Methoxy-1,2,3,4-tetrahydroquinoline-2,4-dione Investigative 44333357 C10H9NO3 191.18 COC1=CC2=C(C=C1)NC(=O)CC2=O IC50 = 53000 nM Poor binder T33754 Phosphodiesterase 3 BQP1D7 (R)-7-Isopropyl-5-methyl-2-(4-methyl-pentyl)-7,8-dihydro-3H,5H-imidazo[2,1-b]purin-4-one Investigative 44272155 C17H27N5O 317.4 CC(C)CCCC1=NC2=C(N1)C(=O)N(C3=N[C@@H](CN23)C(C)C)C IC50 = 65000 nM Poor binder T33754 Phosphodiesterase 3 BQTG90 2-Pentyl-5-benzyl-3,5-dihydro-2H-pyrazolo[4,3-c]quinoline-3-one Investigative 12016990 C22H23N3O 345.4 CCCCCN1C(=O)C2=CN(C3=CC=CC=C3C2=N1)CC4=CC=CC=C4 IC50 = 120000 nM Poor binder T33754 Phosphodiesterase 3 BR5UT2 Ethyl 5-[(2,4-dichlorophenyl)methyl]-2-methyl-6-oxo-1H-pyridine-3-carboxylate Investigative 70697129 C16H15Cl2NO3 340.2 CCOC(=O)C1=C(NC(=O)C(=C1)CC2=C(C=C(C=C2)Cl)Cl)C IC50 = 172130 nM Poor binder T33754 Phosphodiesterase 3 BR7F3W (11R,15S)-4-Heptan-4-yl-8-methyl-1,3,5,8,10-pentazatetracyclo[7.6.0.02,6.011,15]pentadeca-2(6),3,9-trien-7-one Investigative 44272162 C18H27N5O 329.4 CCCC(CCC)C1=NC2=C(N1)C(=O)N(C3=N[C@@H]4CCC[C@@H]4N23)C IC50 = 80000 nM Poor binder T33754 Phosphodiesterase 3 BRIX85 2-Methyl-6-(4-methylsulfonyl-2,3-dihydro-1,4-benzoxazin-6-yl)-4,5-dihydropyridazin-3-one Investigative 14230056 C14H17N3O4S 323.37 CN1C(=O)CCC(=N1)C2=CC3=C(C=C2)OCCN3S(=O)(=O)C IC50 = 100000 nM Poor binder T33754 Phosphodiesterase 3 BRY3A9 CID 13756813 Investigative 13756813 C22H30N4O3 398.5 CN1C(=O)CN2C1=NC3=C(C2)C=C(C=C3)OCCCC(=O)N(C)C4CCCCC4 IC50 = 76000 nM Poor binder T33754 Phosphodiesterase 3 BRZ3S0 1-[(E)-3,4,5-Trimethoxystyryl]-3-[[4-(2-hydroxyethyl)piperazino]carbonyl]-6,7-dimethoxy-2-naphthoic acid methyl ester Investigative 10651107 C32H38N2O9 594.7 COC1=CC(=CC(=C1OC)OC)/C=C/C2=C3C=C(C(=CC3=CC(=C2C(=O)OC)C(=O)N4CCN(CC4)CCO)OC)OC IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BS15CW 4-[8-(3-Nitrophenyl)-1,7-naphthyridin-6-yl]benzoic Acid Investigative 9999276 C21H13N3O4 371.3 C1=CC(=CC(=C1)[N+](=O)[O-])C2=C3C(=CC(=N2)C4=CC=C(C=C4)C(=O)O)C=CC=N3 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BS4MT6 4-Propyl-8,9,10,11-tetrahydro-7H-[1,3]diazepino[2,1-f]purin-5-one Investigative 135456675 C12H17N5O 247.3 CCCN1C2=NC=NC2=C3NCCCCN3C1=O IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BSDH79 3-[2-(3,4-Dimethoxyphenyl)-1-methylimidazol-4-yl]-1H-pyridazin-6-one Investigative 13553476 C16H16N4O3 312.32 CN1C=C(N=C1C2=CC(=C(C=C2)OC)OC)C3=NNC(=O)C=C3 IC50 = 75000 nM Poor binder T33754 Phosphodiesterase 3 BSV3U2 6,7-Dimethoxy-3-(pyrrolidine-1-carbonyl)-1-(3,4,5-trimethoxy-phenyl)-naphthalene-2-carboxylic acid methyl ester Investigative 10625498 C28H31NO8 509.5 COC1=CC2=CC(=C(C(=C2C=C1OC)C3=CC(=C(C(=C3)OC)OC)OC)C(=O)OC)C(=O)N4CCCC4 IC50 = 77000 nM Poor binder T33754 Phosphodiesterase 3 BT04OB 6-Methoxy-1,3-benzoxazin-2-one Investigative 44333376 C9H7NO3 177.16 COC1=CC2=C(C=C1)OC(=O)N=C2 IC50 = 100000 nM Poor binder T33754 Phosphodiesterase 3 BT4O1Z N-Benzyl-6-chloro-2-pyridin-3-ylquinazolin-4-amine;dihydrochloride Investigative 45261662 C20H17Cl3N4 419.7 C1=CC=C(C=C1)CNC2=NC(=NC3=C2C=C(C=C3)Cl)C4=CN=CC=C4.Cl.Cl IC50 ~ 50000 nM Poor binder T33754 Phosphodiesterase 3 BT5Y3C 3,4-Dipropyl-7,8-dihydroimidazo[2,1-f]purin-5-one Investigative 9881656 C13H19N5O 261.32 CCCN1C=NC2=C1N(C(=O)N3C2=NCC3)CCC IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BTK12W Tert-butyl N-[4-[[(11R)-6-amino-12-oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]carbamoyl]pyridin-3-yl]carbamate Investigative 10649414 C28H28N6O4 512.6 CC(C)(C)OC(=O)NC1=C(C=CN=C1)C(=O)N[C@H]2C(=O)N3CCC4=C3C(=CC(=C4)N)C(=N2)C5=CC=CC=C5 IC50 = 58200 nM Poor binder T33754 Phosphodiesterase 3 BU1AK8 1-(3,5-Dichlorophenyl)-3-[[4-(2-hydroxyethyl)piperazino]carbonyl]-6,7-dimethoxy-2-naphthoic acid methyl ester Investigative 10840332 C27H28Cl2N2O6 547.4 COC1=CC2=CC(=C(C(=C2C=C1OC)C3=CC(=CC(=C3)Cl)Cl)C(=O)OC)C(=O)N4CCN(CC4)CCO IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BU7AX8 1-(3-Nitrophenyl)-3-[[4-(2-hydroxyethyl)piperazino]carbonyl]-6,7-dimethoxy-2-naphthoic acid methyl ester Investigative 10506218 C27H29N3O8 523.5 COC1=CC2=CC(=C(C(=C2C=C1OC)C3=CC(=CC=C3)[N+](=O)[O-])C(=O)OC)C(=O)N4CCN(CC4)CCO IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BU9QS8 3-Amino-N-[(11R)-6-amino-12-oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]pyridine-4-carboxamide Investigative 10787820 C23H20N6O2 412.4 C1CN2C(=O)[C@@H](N=C(C3=CC(=CC1=C32)N)C4=CC=CC=C4)NC(=O)C5=C(C=NC=C5)N IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BV4CK7 4-Methylquinazolin-2(1H)-one Investigative 3015712 C9H8N2O 160.17 CC1=C2C=CC=CC2=NC(=O)N1 IC50 = 138000 nM Poor binder T33754 Phosphodiesterase 3 BV8A6B 1-(3-Bromo-4,5-dimethoxyphenyl)-3-[[4-(2-hydroxyethyl)piperazino]carbonyl]-6-methoxy-2-naphthoic acid methyl ester Investigative 10674875 C28H31BrN2O7 587.5 COC1=CC2=CC(=C(C(=C2C=C1)C3=CC(=C(C(=C3)Br)OC)OC)C(=O)OC)C(=O)N4CCN(CC4)CCO IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BVO4J9 (11R,15S)-4-Ethyl-8-methyl-1,3,5,8,10-pentazatetracyclo[7.6.0.02,6.011,15]pentadeca-2(6),3,9-trien-7-one Investigative 44272313 C13H17N5O 259.31 CCC1=NC2=C(N1)C(=O)N(C3=N[C@@H]4CCC[C@@H]4N23)C IC50 = 150000 nM Poor binder T33754 Phosphodiesterase 3 BVW6Z9 2(1H)-Quinazolinone, 6,7-dimethoxy-4-methyl- Investigative 12726304 C11H12N2O3 220.22 CC1=C2C=C(C(=CC2=NC(=O)N1)OC)OC IC50 = 100000 nM Poor binder T33754 Phosphodiesterase 3 BVX07Q (11R,15S)-8-Methyl-4-pentan-3-yl-1,3,5,8,10-pentazatetracyclo[7.6.0.02,6.011,15]pentadeca-2(6),3,9-trien-7-one Investigative 44272341 C16H23N5O 301.39 CCC(CC)C1=NC2=C(N1)C(=O)N(C3=N[C@@H]4CCC[C@@H]4N23)C IC50 = 150000 nM Poor binder T33754 Phosphodiesterase 3 BW1M0I 1-(3,4,5-Trimethoxyphenyl)-3-(morpholinocarbonyl)-6,7-dimethoxy-2-naphthoic acid methyl ester Investigative 10625920 C28H31NO9 525.5 COC1=CC2=CC(=C(C(=C2C=C1OC)C3=CC(=C(C(=C3)OC)OC)OC)C(=O)OC)C(=O)N4CCOCC4 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BX8D0H 9-[(2-Fluorophenyl)methyl]-N-methylpurin-6-amine;methanesulfonic acid Investigative 44295018 C14H16FN5O3S 353.37 CNC1=C2C(=NC=N1)N(C=N2)CC3=CC=CC=C3F.CS(=O)(=O)O IC50 = 121000 nM Poor binder T33754 Phosphodiesterase 3 BXL2C9 N-[(11S)-12-Oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]-1H-indole-2-carboxamide Investigative 11742876 C26H20N4O2 420.5 C1CN2C(=O)[C@H](N=C(C3=CC=CC1=C32)C4=CC=CC=C4)NC(=O)C5=CC6=CC=CC=C6N5 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BY9I3L N-[2-(1-Methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-phenyl]-methanesulfonamide Investigative 136056129 C16H19N5O3S 361.4 CCCC1=NN(C2=C1N=C(NC2=O)C3=CC=CC=C3NS(=O)(=O)C)C IC50 = 83000 nM Poor binder T33754 Phosphodiesterase 3 BYO60E N-[(11R)-12-Oxo-9-phenyl-1,10-diazatricyclo[6.4.1.04,13]trideca-4(13),5,7,9-tetraen-11-yl]-1H-indole-2-carboxamide Investigative 10342086 C26H20N4O2 420.5 C1CN2C(=O)[C@@H](N=C(C3=CC=CC1=C32)C4=CC=CC=C4)NC(=O)C5=CC6=CC=CC=C6N5 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 BZ35BY 9-Benzyl-2-(trifluoromethyl)purin-6-amine Investigative 349956 C13H10F3N5 293.25 C1=CC=C(C=C1)CN2C=NC3=C(N=C(N=C32)C(F)(F)F)N IC50 = 101000 nM Poor binder T33754 Phosphodiesterase 3 BZO90F 2-Tert-Butyl-5-benzyl-3,5-dihydro-2H-pyrazolo[4,3-c]quinoline-3-one Investigative 12016989 C21H21N3O 331.4 CC(C)(C)N1C(=O)C2=CN(C3=CC=CC=C3C2=N1)CC4=CC=CC=C4 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 D01TOR Benzyl-(2-pyridin-3-yl-quinazolin-4-yl)-amine Investigative 667555 C20H16N4 312.4 C1=CC=C(C=C1)CNC2=NC(=NC3=CC=CC=C32)C4=CN=CC=C4 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 D02NWF Benzyl-(2-thiophen-2-yl-quinazolin-4-yl)-amine Investigative 2573787 C19H15N3S 317.4 C1=CC=C(C=C1)CNC2=NC(=NC3=CC=CC=C32)C4=CC=CS4 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 D09AUL Benzyl-(2-imidazol-1-yl-quinazolin-4-yl)-amine Investigative 10266864 C18H15N5 301.3 C1=CC=C(C=C1)CNC2=NC(=NC3=CC=CC=C32)N4C=CN=C4 IC50 = 50000 nM Poor binder T33754 Phosphodiesterase 3 D0DL6J CI-1044 Investigative 9843744 C23H19N5O2 397.4 C1CN2C(=O)[C@@H](N=C(C3=CC(=CC1=C32)N)C4=CC=CC=C4)NC(=O)C5=CN=CC=C5 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 D0J7GF Benzyl-(2-phenyl-quinazolin-4-yl)-amine Investigative 780643 C21H17N3 311.4 C1=CC=C(C=C1)CNC2=NC(=NC3=CC=CC=C32)C4=CC=CC=C4 IC50 ~ 100000 nM Poor binder T33754 Phosphodiesterase 3 D0U8YQ Benzyl-(2-pyridin-4-yl-quinazolin-4-yl)-amine Investigative 921562 C20H16N4 312.4 C1=CC=C(C=C1)CNC2=NC(=NC3=CC=CC=C32)C4=CC=NC=C4 IC50 ~ 100000 nM Poor binder