TTD_Target_ID Target_Name TTD_Drug_ID Drug_Name Drug_Highest_Status Drug_PubchemID Molecular_Formula Molecular_Weight Canonical_SMILES Activity Binder_Type T38143 Phosphodiesterase 5A D0Y9ZE Milrinone Approved 4197 C12H9N3O 211.22 CC1=C(C=C(C(=O)N1)C#N)C2=CC=NC=C2 IC50 ~ 100000 nM Poor binder T38143 Phosphodiesterase 5A D03QJL Ibudilast Phase 2 3671 C14H18N2O 230.31 CC(C)C1=NN2C=CC=CC2=C1C(=O)C(C)C IC50 = 103000 nM Poor binder T38143 Phosphodiesterase 5A D01RCZ B7673 Patented 2052828 C15H16N2OS2 304.4 CCCSC1=NC2=C(C(=O)N1C3=CC=CC=C3)SCC2 IC50 ~ 100000 nM Poor binder T38143 Phosphodiesterase 5A D0A0ZU AC1MOZOL Patented 3403301 C16H18N2OS2 318.5 CCC(C)SC1=NC2=C(C(=O)N1C3=CC=CC=C3)SCC2 IC50 ~ 100000 nM Poor binder T38143 Phosphodiesterase 5A D0SH7F BC11-28 Patented 3257208 C25H19FN4 394.4 CC1=CC=CC=C1NC2=C3C(=CN(C3=NC=N2)C4=CC=C(C=C4)F)C5=CC=CC=C5 IC50 ~ 100000 nM Poor binder T38143 Phosphodiesterase 5A D0Z7YQ AC1M1SP5 Patented 2155273 C16H18N2O2S2 334.5 CCCSC1=NC2=C(C(=O)N1C3=CC=CC=C3OC)SCC2 IC50 ~ 100000 nM Poor binder T38143 Phosphodiesterase 5A D05VLN Isomazole Terminated 55690 C14H13N3O2S 287.34 COC1=C(C=CC(=C1)S(=O)C)C2=NC3=C(N2)C=NC=C3 IC50 = 58000 nM Poor binder T38143 Phosphodiesterase 5A B05TXO 5-[2-(2-Aminoethoxy)ethoxy]-8-chlorospiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-2-one Investigative 9968471 C17H24ClN3O3 353.8 C1CCC2(CC1)C3=C(C=CC(=C3NC(=O)N2)Cl)OCCOCCN IC50 ~ 101000 nM Poor binder T38143 Phosphodiesterase 5A B0A9ID N-(4-Methoxybenzyl)-3-(cyclopentyloxy)-4-(difluoromethoxy)benzamide Investigative 122193679 C21H23F2NO4 391.4 COC1=CC=C(C=C1)CNC(=O)C2=CC(=C(C=C2)OC(F)F)OC3CCCC3 IC50 ~ 100000 nM Poor binder T38143 Phosphodiesterase 5A B0IL3G Moracin C Investigative 155248 C19H18O4 310.3 CC(=CCC1=C(C=C(C=C1O)C2=CC3=C(O2)C=C(C=C3)O)O)C IC50 ~ 50000 nM Poor binder T38143 Phosphodiesterase 5A B0LMZ1 1-[4-Methoxy-3-(tetrahydropyran-4-yloxy)phenyl]butan-1-one Investigative 23654252 C16H22O4 278.34 CCCC(=O)C1=CC(=C(C=C1)OC)OC2CCOCC2 IC50 ~ 50000 nM Poor binder T38143 Phosphodiesterase 5A B17IYK N-[4-(Diethylaminomethyl)-2-[2-(diethylamino)-2-oxoacetyl]phenyl]benzamide Investigative 137631637 C24H31N3O3 409.5 CCN(CC)CC1=CC(=C(C=C1)NC(=O)C2=CC=CC=C2)C(=O)C(=O)N(CC)CC IC50 = 157510 nM Poor binder T38143 Phosphodiesterase 5A B1C0EV 6-(2-Isopropylpyrazolo[1,5-a]pyridin-3-yl)-4,5-dihydropyridazin-3(2H)-one Investigative 9859898 C14H16N4O 256.3 CC(C)C1=NN2C=CC=CC2=C1C3=NNC(=O)CC3 IC50 = 78000 nM Poor binder T38143 Phosphodiesterase 5A B1TXR4 Lorneic acid B Investigative 44605342 C17H24O3 276.4 CCCCCC(C1=C(C=CC(=C1)C)/C=C/CC(=O)O)O IC50 = 87100 nM Poor binder T38143 Phosphodiesterase 5A B21MFB 4-[[5-(4-Chlorophenyl)-3-methyl-1,3,4-thiadiazol-2-ylidene]amino]phenol Investigative 9836643 C15H12ClN3OS 317.8 CN1C(=NC2=CC=C(C=C2)O)SC(=N1)C3=CC=C(C=C3)Cl IC50 ~ 101000 nM Poor binder T38143 Phosphodiesterase 5A B2DJ1U N-(2-Chlorophenyl)-3-cyclopentyloxy-4-(difluoromethoxy)benzamide Investigative 134129996 C19H18ClF2NO3 381.8 C1CCC(C1)OC2=C(C=CC(=C2)C(=O)NC3=CC=CC=C3Cl)OC(F)F IC50 ~ 100000 nM Poor binder T38143 Phosphodiesterase 5A 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 = 91000 nM Poor binder T38143 Phosphodiesterase 5A B2UP0G N-[(11R)-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 11742456 C23H19N5O3 413.4 COC1=NC2=C3C(=C1)CCN3C(=O)[C@@H](N=C2C4=CC=CC=C4)NC(=O)C5=CN=CC=C5 IC50 ~ 100000 nM Poor binder T38143 Phosphodiesterase 5A B42GIH 3-[5-[(Diethylamino)methyl]-2-furyl]-1-benzyl-1H-indazole Investigative 10291967 C23H25N3O 359.5 CCN(CC)CC1=CC=C(O1)C2=NN(C3=CC=CC=C32)CC4=CC=CC=C4 IC50 = 63000 nM Poor binder T38143 Phosphodiesterase 5A B45PMI 2-(8-Chloro-2-oxospiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-5-yl)oxyacetonitrile Investigative 9922545 C15H16ClN3O2 305.76 C1CCC2(CC1)C3=C(C=CC(=C3NC(=O)N2)Cl)OCC#N IC50 ~ 101000 nM Poor binder T38143 Phosphodiesterase 5A B47OKJ 5-Methyl-1-[(2-nitrophenyl)methyl]indole-2,3-dione Investigative 43826154 C16H12N2O4 296.28 CC1=CC2=C(C=C1)N(C(=O)C2=O)CC3=CC=CC=C3[N+](=O)[O-] IC50 = 200000 nM Poor binder T38143 Phosphodiesterase 5A B48LUC Chembl4206423 Investigative 145978345 C23H28N2O5S 444.5 CC(=O)NC1=CC=C(C=C1)S(=O)(=O)N2CCC3=CC(=C(C=C3C2)OC4CCCC4)OC IC50 ~ 100000 nM Poor binder T38143 Phosphodiesterase 5A B4B5KL 3-Cyclopentyloxy-4-methoxy-N-(2-nitrophenyl)benzamide Investigative 10089597 C19H20N2O5 356.4 COC1=C(C=C(C=C1)C(=O)NC2=CC=CC=C2[N+](=O)[O-])OC3CCCC3 IC50 = 65000 nM Poor binder T38143 Phosphodiesterase 5A B4G9AQ 8-Chloro-5-(2-morpholin-4-ylethoxy)spiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-2-one Investigative 6918800 C19H26ClN3O3 379.9 C1CCC2(CC1)C3=C(C=CC(=C3NC(=O)N2)Cl)OCCN4CCOCC4 IC50 ~ 101000 nM Poor binder T38143 Phosphodiesterase 5A B4GU0D 2-[2-(8-Chloro-2-oxospiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-5-yl)oxyethylamino]acetic acid Investigative 10270352 C17H22ClN3O4 367.8 C1CCC2(CC1)C3=C(C=CC(=C3NC(=O)N2)Cl)OCCNCC(=O)O IC50 ~ 101000 nM Poor binder T38143 Phosphodiesterase 5A B4JF8H 8-Chloro-5-[2-(methylamino)ethoxy]spiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-2-one Investigative 9880288 C16H22ClN3O2 323.82 CNCCOC1=C2C(=C(C=C1)Cl)NC(=O)NC23CCCCC3 IC50 ~ 101000 nM Poor binder T38143 Phosphodiesterase 5A B57NKZ 2-[[5-(4-Chlorophenyl)-3-methyl-1,3,4-thiadiazol-2-ylidene]amino]phenol Investigative 9880010 C15H12ClN3OS 317.8 CN1C(=NC2=CC=CC=C2O)SC(=N1)C3=CC=C(C=C3)Cl IC50 ~ 101000 nM Poor binder T38143 Phosphodiesterase 5A B5GSN2 Chembl4215772 Investigative 145974174 C25H26F3NO6 493.5 COC1=C(C=C2CN(C(CC2=C1)C(=O)OC)C(=O)C3=CC=C(C=C3)OC(F)(F)F)OC4CCCC4 IC50 ~ 100000 nM Poor binder T38143 Phosphodiesterase 5A B5QEJ4 [3-Hydroxymethyl-1-(3-methanesulfonyl-4,5-dimethoxy-phenyl)-6,7-dimethoxy-naphthalen-2-yl]-methanol Investigative 10479468 C23H26O8S 462.5 COC1=CC2=CC(=C(C(=C2C=C1OC)C3=CC(=C(C(=C3)S(=O)(=O)C)OC)OC)CO)CO IC50 = 53000 nM Poor binder T38143 Phosphodiesterase 5A B5XLR9 6-Phenyl-8-chlorospiro[quinazoline-4(3H),1'-cyclohexane]-2(1H)-one Investigative 6918667 C19H19ClN2O 326.8 C1CCC2(CC1)C3=C(C(=CC(=C3)C4=CC=CC=C4)Cl)NC(=O)N2 IC50 = 69800 nM Poor binder T38143 Phosphodiesterase 5A B6THY8 4-(8-Chloro-2-oxospiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-6-yl)-N-[3-(dimethylamino)propyl]benzamide Investigative 6918797 C25H31ClN4O2 455 CN(C)CCCNC(=O)C1=CC=C(C=C1)C2=CC3=C(C(=C2)Cl)NC(=O)NC34CCCCC4 IC50 ~ 50700 nM Poor binder T38143 Phosphodiesterase 5A B6WCG2 2-Bromo-8-phenyl-6H-imidazo[1,2-d][1,2,4]triazin-5-one Investigative 44384345 C11H7BrN4O 291.1 C1=CC=C(C=C1)C2=NNC(=O)N3C2=NC(=C3)Br IC50 = 66700 nM Poor binder T38143 Phosphodiesterase 5A B73SGZ 3-[[5-(4-Chlorophenyl)-3-methyl-1,3,4-thiadiazol-2-ylidene]amino]benzamide Investigative 9968005 C16H13ClN4OS 344.8 CN1C(=NC2=CC=CC(=C2)C(=O)N)SC(=N1)C3=CC=C(C=C3)Cl IC50 ~ 101000 nM Poor binder T38143 Phosphodiesterase 5A B7H3NC 5-(4-Chlorophenyl)-N-(3-fluorophenyl)-3-methyl-1,3,4-thiadiazol-2-imine Investigative 9966830 C15H11ClFN3S 319.8 CN1C(=NC2=CC(=CC=C2)F)SC(=N1)C3=CC=C(C=C3)Cl IC50 ~ 101000 nM Poor binder T38143 Phosphodiesterase 5A B7UE1J 1-Benzoyl-5-[(4-methoxyanilino)methyl]indole-2,3-dione Investigative 137637339 C23H18N2O4 386.4 COC1=CC=C(C=C1)NCC2=CC3=C(C=C2)N(C(=O)C3=O)C(=O)C4=CC=CC=C4 IC50 = 100000 nM Poor binder T38143 Phosphodiesterase 5A B7VK8X (2S,8R)-2-(2-Bromophenyl)-6-methyl-3,6,17-triazatetracyclo[8.7.0.03,8.011,16]heptadeca-1(10),11,13,15-tetraene-4,7-dione Investigative 46193244 C21H18BrN3O2 424.3 CN1CC(=O)N2[C@@H](C1=O)CC3=C([C@@H]2C4=CC=CC=C4Br)NC5=CC=CC=C35 IC50 = 88000 nM Poor binder T38143 Phosphodiesterase 5A B7Z5IB 8-Chloro-5-(2H-tetrazol-5-ylmethoxy)spiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-2-one Investigative 9924468 C15H17ClN6O2 348.79 C1CCC2(CC1)C3=C(C=CC(=C3NC(=O)N2)Cl)OCC4=NNN=N4 IC50 ~ 88000 nM Poor binder T38143 Phosphodiesterase 5A B8KD9T 1,3-Bis(cyclopropylmethyl)-7-methyl-8-[[(4-methoxyphenyl)sulfonyl]amino]xanthine Investigative 10456913 C21H25N5O5S 459.5 CN1C2=C(N=C1NS(=O)(=O)C3=CC=C(C=C3)OC)N(C(=O)N(C2=O)CC4CC4)CC5CC5 IC50 = 54000 nM Poor binder T38143 Phosphodiesterase 5A B8OSL6 5-(4-Chlorophenyl)-N-(4-fluorophenyl)-3-methyl-1,3,4-thiadiazol-2-imine Investigative 9901606 C15H11ClFN3S 319.8 CN1C(=NC2=CC=C(C=C2)F)SC(=N1)C3=CC=C(C=C3)Cl IC50 = 101000 nM Poor binder T38143 Phosphodiesterase 5A B8RJ4T 2-Isopropyl-3-(6-chloropyridazine-3-yl)pyrazolo[1,5-a]pyridine Investigative 24751991 C14H13ClN4 272.73 CC(C)C1=NN2C=CC=CC2=C1C3=NN=C(C=C3)Cl IC50 = 65000 nM Poor binder T38143 Phosphodiesterase 5A B8VUQ4 3-(Cyclopropylmethoxy)-4-(difluoromethoxy)-N-pyridin-3-ylbenzamide Investigative 134130563 C17H16F2N2O3 334.32 C1CC1COC2=C(C=CC(=C2)C(=O)NC3=CN=CC=C3)OC(F)F IC50 ~ 100000 nM Poor binder T38143 Phosphodiesterase 5A B92BKO 1,3-Bis(cyclopropylmethyl)-7-methyl-8-[(phenylsulfonyl)amino]xanthine Investigative 10252045 C20H23N5O4S 429.5 CN1C2=C(N=C1NS(=O)(=O)C3=CC=CC=C3)N(C(=O)N(C2=O)CC4CC4)CC5CC5 IC50 = 53000 nM Poor binder T38143 Phosphodiesterase 5A B94ENV 8-Chloro-6-pyridin-2-ylspiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-2-one Investigative 10268304 C18H18ClN3O 327.8 C1CCC2(CC1)C3=C(C(=CC(=C3)C4=CC=CC=N4)Cl)NC(=O)N2 IC50 = 68400 nM Poor binder T38143 Phosphodiesterase 5A B97HAY 6-(3,4-Dimethoxyphenyl)-3-(2-methoxyphenyl)-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazine Investigative 662965 C19H18N4O3S 382.4 COC1=C(C=C(C=C1)C2=NN3C(=NN=C3SC2)C4=CC=CC=C4OC)OC IC50 ~ 50000 nM Poor binder T38143 Phosphodiesterase 5A B9B6QD 3-(8-Chloro-2-oxospiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-6-yl)-N-[3-(dimethylamino)propyl]benzamide Investigative 6918668 C25H31ClN4O2 455 CN(C)CCCNC(=O)C1=CC=CC(=C1)C2=CC3=C(C(=C2)Cl)NC(=O)NC34CCCCC4 IC50 ~ 84900 nM Poor binder T38143 Phosphodiesterase 5A B9FN2U 3-[[5-(4-Chlorophenyl)-3-methyl-1,3,4-thiadiazol-2-ylidene]amino]benzonitrile Investigative 21920370 C16H11ClN4S 326.8 CN1C(=NC2=CC=CC(=C2)C#N)SC(=N1)C3=CC=C(C=C3)Cl IC50 ~ 101000 nM Poor binder T38143 Phosphodiesterase 5A B9W7HS 5-(2-Aminoethoxy)-8-chlorospiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-2-one Investigative 9922691 C15H20ClN3O2 309.79 C1CCC2(CC1)C3=C(C=CC(=C3NC(=O)N2)Cl)OCCN IC50 = 73200 nM Poor binder T38143 Phosphodiesterase 5A BAR03O Ethyl 5-[(8-chloro-2-oxospiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-5-yl)oxymethyl]furan-2-carboxylate Investigative 44394047 C21H23ClN2O5 418.9 CCOC(=O)C1=CC=C(O1)COC2=C3C(=C(C=C2)Cl)NC(=O)NC34CCCCC4 IC50 = 80000 nM Poor binder T38143 Phosphodiesterase 5A 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 T38143 Phosphodiesterase 5A BBZS05 8-Chloro-6-[2-(4-methylpiperazine-1-carbonyl)phenyl]spiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-2-one Investigative 44393651 C25H29ClN4O2 453 CN1CCN(CC1)C(=O)C2=CC=CC=C2C3=CC4=C(C(=C3)Cl)NC(=O)NC45CCCCC5 IC50 ~ 101000 nM Poor binder T38143 Phosphodiesterase 5A BC3MU2 3-(8-Chloro-2-oxospiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-6-yl)-N-[2-(dimethylamino)ethyl]benzamide Investigative 6918796 C24H29ClN4O2 441 CN(C)CCNC(=O)C1=CC=CC(=C1)C2=CC3=C(C(=C2)Cl)NC(=O)NC34CCCCC4 IC50 ~ 101000 nM Poor binder T38143 Phosphodiesterase 5A BCE62K 3,4,11,12-Tetrazatetracyclo[8.7.0.02,7.012,17]heptadeca-1(17),2,10,13,15-pentaen-5-one Investigative 54580521 C13H12N4O 240.26 C1CC2=NN3C=CC=CC3=C2C4=NNC(=O)CC41 IC50 = 145000 nM Poor binder T38143 Phosphodiesterase 5A BD0XY9 8-Chloro-5-[2-hydroxy-3-(methylamino)propoxy]spiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-2-one Investigative 9924709 C17H24ClN3O3 353.8 CNCC(COC1=C2C(=C(C=C1)Cl)NC(=O)NC23CCCCC3)O IC50 ~ 101000 nM Poor binder T38143 Phosphodiesterase 5A 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 = 95000 nM Poor binder T38143 Phosphodiesterase 5A BF48VA 8-Chloro-5-[3-(dimethylamino)-2-hydroxypropoxy]spiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-2-one Investigative 10109572 C18H26ClN3O3 367.9 CN(C)CC(COC1=C2C(=C(C=C1)Cl)NC(=O)NC23CCCCC3)O IC50 ~ 101000 nM Poor binder T38143 Phosphodiesterase 5A BG6OC1 3-Bromo-8-phenyl-6H-imidazo[1,2-d][1,2,4]triazin-5-one Investigative 44384546 C11H7BrN4O 291.1 C1=CC=C(C=C1)C2=NNC(=O)N3C2=NC=C3Br IC50 ~ 100000 nM Poor binder T38143 Phosphodiesterase 5A BG87XN 6-(2-Isopropylpyrazolo[1,5-a]pyridin-3-yl)pyridazin-3(2H)-one Investigative 24751843 C14H14N4O 254.29 CC(C)C1=NN2C=CC=CC2=C1C3=NNC(=O)C=C3 IC50 = 79000 nM Poor binder T38143 Phosphodiesterase 5A BG8MJ2 3-Cyclopentyloxy-N-(2-hydroxy-phenyl)-4-methoxy-benzamide Investigative 10359077 C19H21NO4 327.4 COC1=C(C=C(C=C1)C(=O)NC2=CC=CC=C2O)OC3CCCC3 IC50 = 175000 nM Poor binder T38143 Phosphodiesterase 5A BGE8O1 5,6-Dihydro-2H-1,2,7,7a-tetraaza-benzo[c]fluoren-3-one Investigative 54582527 C13H10N4O 238.24 C1CC2=NN3C=CC=CC3=C2C4=NNC(=O)C=C41 IC50 = 156000 nM Poor binder T38143 Phosphodiesterase 5A BGP76O 8-Chloro-5-[2-(dimethylamino)ethoxy]spiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-2-one Investigative 9967652 C17H24ClN3O2 337.8 CN(C)CCOC1=C2C(=C(C=C1)Cl)NC(=O)NC23CCCCC3 IC50 = 74000 nM Poor binder T38143 Phosphodiesterase 5A BH4JT6 8-Chloro-5-[3-(dimethylamino)propoxy]spiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-2-one Investigative 9968370 C18H26ClN3O2 351.9 CN(C)CCCOC1=C2C(=C(C=C1)Cl)NC(=O)NC23CCCCC3 IC50 = 98000 nM Poor binder T38143 Phosphodiesterase 5A BJ69KQ 2-(8-Chloro-2-oxospiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-5-yl)oxyacetic acid Investigative 6918798 C15H17ClN2O4 324.76 C1CCC2(CC1)C3=C(C=CC(=C3NC(=O)N2)Cl)OCC(=O)O IC50 ~ 101000 nM Poor binder T38143 Phosphodiesterase 5A BJA3Z5 4-[3-Methoxy-4-(pyridin-2-yloxy)phenyl]-4-quinolin-3-ylbutan-2-one Investigative 25179287 C25H22N2O3 398.5 CC(=O)CC(C1=CC(=C(C=C1)OC2=CC=CC=N2)OC)C3=CC4=CC=CC=C4N=C3 IC50 ~ 50000 nM Poor binder T38143 Phosphodiesterase 5A 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 T38143 Phosphodiesterase 5A BKUG45 5-[(8-Chloro-2-oxospiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-5-yl)oxymethyl]furan-2-carboxylic acid Investigative 10200432 C19H19ClN2O5 390.8 C1CCC2(CC1)C3=C(C=CC(=C3NC(=O)N2)Cl)OCC4=CC=C(O4)C(=O)O IC50 ~ 101000 nM Poor binder T38143 Phosphodiesterase 5A BM4S2C 1-Benzoyl-5-(piperidin-1-ylmethyl)indole-2,3-dione Investigative 137648482 C21H20N2O3 348.4 C1CCN(CC1)CC2=CC3=C(C=C2)N(C(=O)C3=O)C(=O)C4=CC=CC=C4 IC50 = 50000 nM Poor binder T38143 Phosphodiesterase 5A BN6KZ0 (2,4,6-Trimethoxy-benzyl)-(6,7,8-trimethoxy-quinazolin-4-yl)-amine Investigative 18796640 C21H25N3O6 415.4 COC1=CC(=C(C(=C1)OC)CNC2=NC=NC3=C(C(=C(C=C32)OC)OC)OC)OC IC50 ~ 100000 nM Poor binder T38143 Phosphodiesterase 5A BO3YQ5 2-(Butylthio)-3-phenyl-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one Investigative 2155145 C16H18N2OS2 318.5 CCCCSC1=NC2=C(C(=O)N1C3=CC=CC=C3)SCC2 IC50 ~ 100000 nM Poor binder T38143 Phosphodiesterase 5A BO7ZA1 6-Methoxy-3,8-Dimethyl-4-(Piperazin-1-Yl)-1h-Pyrazolo[3,4-B]quinoline Investigative 46239840 C17H21N5O 311.4 CC1=CC(=CC2=C(C3=C(NN=C3N=C12)C)N4CCNCC4)OC Ki ~ 100000 nM Poor binder T38143 Phosphodiesterase 5A BP3JF1 2,3-Dichloro-8-phenyl-6H-imidazo[1,2-d][1,2,4]triazin-5-one Investigative 44384713 C11H6Cl2N4O 281.09 C1=CC=C(C=C1)C2=NNC(=O)N3C2=NC(=C3Cl)Cl IC50 = 56100 nM Poor binder T38143 Phosphodiesterase 5A BP9FG5 2-[2-(2-Hydroxyethoxy)phenyl]-1H-imidazo[4,5-b]pyridine Investigative 9992525 C14H13N3O2 255.27 C1=CC=C(C(=C1)C2=NC3=C(N2)C=CC=N3)OCCO IC50 = 64000 nM Poor binder T38143 Phosphodiesterase 5A BQES71 N-[5-(2,3-Bis-hydroxymethyl-6,7-dimethoxy-naphthalen-1-yl)-2,3-dimethoxy-phenyl]-acetamide Investigative 10646809 C24H27NO7 441.5 CC(=O)NC1=C(C(=CC(=C1)C2=C3C=C(C(=CC3=CC(=C2CO)CO)OC)OC)OC)OC IC50 = 100000 nM Poor binder T38143 Phosphodiesterase 5A BR5L8O 2-(Propylthio)-3-(p-tolyl)-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one Investigative 2052838 C16H18N2OS2 318.5 CCCSC1=NC2=C(C(=O)N1C3=CC=C(C=C3)C)SCC2 IC50 ~ 100000 nM Poor binder T38143 Phosphodiesterase 5A BRHT84 3-Phenyl-[1,3,5]triazino[2,1-b][1,3]benzothiazole-2,4-dione Investigative 2802078 C15H9N3O2S 295.3 C1=CC=C(C=C1)N2C(=O)N=C3N(C2=O)C4=CC=CC=C4S3 IC50 ~ 100000 nM Poor binder T38143 Phosphodiesterase 5A BRV5I3 1,3-Di(cyclopropylmethyl)-8-(4-methoxybenzenesulphonylamino)xanthine Investigative 10343476 C20H23N5O5S 445.5 COC1=CC=C(C=C1)S(=O)(=O)NC2=NC3=C(N2)C(=O)N(C(=O)N3CC4CC4)CC5CC5 IC50 = 68000 nM Poor binder T38143 Phosphodiesterase 5A BS5U0E N'-[1,3-Bis(cyclopropylmethyl)-2,6-dioxo-7H-purin-8-yl]-N,N-dimethylmethanimidamide Investigative 10404378 C16H22N6O2 330.38 CN(C)/C=N/C1=NC2=C(N1)C(=O)N(C(=O)N2CC3CC3)CC4CC4 IC50 = 56000 nM Poor binder T38143 Phosphodiesterase 5A BTJF29 8-Chloro-6-[3-(4-methylpiperazine-1-carbonyl)phenyl]spiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-2-one Investigative 10182563 C25H29ClN4O2 453 CN1CCN(CC1)C(=O)C2=CC=CC(=C2)C3=CC4=C(C(=C3)Cl)NC(=O)NC45CCCCC5 IC50 = 52400 nM Poor binder T38143 Phosphodiesterase 5A BTQ28A 4-(8-Chloro-2-oxospiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-6-yl)-N-[2-(dimethylamino)ethyl]benzamide Investigative 6918795 C24H29ClN4O2 441 CN(C)CCNC(=O)C1=CC=C(C=C1)C2=CC3=C(C(=C2)Cl)NC(=O)NC34CCCCC4 IC50 ~ 67300 nM Poor binder T38143 Phosphodiesterase 5A BU98RW 1-Benzoyl-5-methyl-3H-indol-2-one Investigative 134908214 C16H13NO2 251.28 CC1=CC2=C(C=C1)N(C(=O)C2)C(=O)C3=CC=CC=C3 IC50 = 91200 nM Poor binder T38143 Phosphodiesterase 5A BVF8N3 3-(8-Chloro-2-oxospiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-5-yl)oxypropane-1-sulfonic acid Investigative 10221904 C16H21ClN2O5S 388.9 C1CCC2(CC1)C3=C(C=CC(=C3NC(=O)N2)Cl)OCCCS(=O)(=O)O IC50 = 60000 nM Poor binder T38143 Phosphodiesterase 5A BVGM70 5-Bromo-1-[(4-bromophenyl)methyl]indole-2,3-dione Investigative 4352680 C15H9Br2NO2 395.04 C1=CC(=CC=C1CN2C3=C(C=C(C=C3)Br)C(=O)C2=O)Br IC50 = 130620 nM Poor binder T38143 Phosphodiesterase 5A BX47WE 1-[4-(Difluoromethoxy)-3-(oxolan-3-yloxy)phenyl]-3-methylbutan-1-one Investigative 25147798 C16H20F2O4 314.32 CC(C)CC(=O)C1=CC(=C(C=C1)OC(F)F)OC2CCOC2 IC50 ~ 50000 nM Poor binder T38143 Phosphodiesterase 5A BXJ1K4 4-[(3-Chloro-4-methoxyphenyl)methylamino]-1-(4-hydroxypiperidin-1-yl)-N,N-dimethylphthalazine-6-carboxamide;hydrochloride Investigative 45264712 C24H29Cl2N5O3 506.4 CN(C)C(=O)C1=CC2=C(C=C1)C(=NN=C2NCC3=CC(=C(C=C3)OC)Cl)N4CCC(CC4)O.Cl IC50 = 58000 nM Poor binder T38143 Phosphodiesterase 5A BXLO05 3-Cyclopentyloxy-4-(difluoromethoxy)-N-pyridin-3-ylbenzamide Investigative 134130328 C18H18F2N2O3 348.3 C1CCC(C1)OC2=C(C=CC(=C2)C(=O)NC3=CN=CC=C3)OC(F)F IC50 ~ 100000 nM Poor binder T38143 Phosphodiesterase 5A BXVA98 8-Chloro-5-(2-hydroxyethoxy)spiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-2-one Investigative 6918799 C15H19ClN2O3 310.77 C1CCC2(CC1)C3=C(C=CC(=C3NC(=O)N2)Cl)OCCO IC50 ~ 91000 nM Poor binder T38143 Phosphodiesterase 5A BY6CJ5 6,7,8-Trimethoxy-n-[(4-nitrophenyl)methyl]-4-quinazolinamine Investigative 18796725 C18H18N4O5 370.4 COC1=C(C(=C2C(=C1)C(=NC=N2)NCC3=CC=C(C=C3)[N+](=O)[O-])OC)OC IC50 ~ 100000 nM Poor binder T38143 Phosphodiesterase 5A BYVU78 N-(2-Chlorophenyl)-3(cyclopropylmethoxy)-4-(difluoromethoxy)benzamide Investigative 134131162 C18H16ClF2NO3 367.8 C1CC1COC2=C(C=CC(=C2)C(=O)NC3=CC=CC=C3Cl)OC(F)F IC50 ~ 100000 nM Poor binder T38143 Phosphodiesterase 5A BZB5T3 3-[(8-Chloro-2-oxospiro[1,3-dihydroquinazoline-4,1'-cyclohexane]-5-yl)oxymethyl]-4H-1,2,4-oxadiazol-5-one Investigative 135482260 C16H17ClN4O4 364.78 C1CCC2(CC1)C3=C(C=CC(=C3NC(=O)N2)Cl)OCC4=NOC(=O)N4 IC50 ~ 101000 nM Poor binder T38143 Phosphodiesterase 5A BZG1V9 N,N,5-Trimethyl-2,3-dioxoindole-1-carboxamide Investigative 137662139 C12H12N2O3 232.23 CC1=CC2=C(C=C1)N(C(=O)C2=O)C(=O)N(C)C IC50 = 100000 nM Poor binder T38143 Phosphodiesterase 5A BZU7T5 6-(2-Isopropyl-7-methoxypyrazolo[1,5-a]pyridin-4-yl)pyridazin-3(2H)-one Investigative 53248667 C15H16N4O2 284.31 CC(C)C1=NN2C(=CC=C(C2=C1)C3=NNC(=O)C=C3)OC IC50 ~ 100000 nM Poor binder