TTD_Target_ID Target_Name TTD_Drug_ID Drug_Name Drug_Highest_Status Drug_PubchemID Molecular_Formula Molecular_Weight Canonical_SMILES Activity Binder_Type T02001 Phosphodiesterase 4D D0BK6B CI-930 Discontinued in Phase 2 3021729 C14H14N4O 254.29 CC1CC(=O)NN=C1C2=CC=C(C=C2)N3C=CN=C3 Ki ~ 50000 nM Poor binder T02001 Phosphodiesterase 4D 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 = 99000 nM Poor binder T02001 Phosphodiesterase 4D B0Z2TQ 5-(4-Chlorophenyl)-N-cyclohexyl-3-methyl-1,3,4-thiadiazol-2-imine Investigative 9857760 C15H18ClN3S 307.8 CN1C(=NC2CCCCC2)SC(=N1)C3=CC=C(C=C3)Cl IC50 = 57000 nM Poor binder T02001 Phosphodiesterase 4D B14WZE 5-(4-Chlorophenyl)-N-cyclopentyl-3-methyl-1,3,4-thiadiazol-2-imine Investigative 9835752 C14H16ClN3S 293.8 CN1C(=NC2CCCC2)SC(=N1)C3=CC=C(C=C3)Cl IC50 = 81500 nM Poor binder T02001 Phosphodiesterase 4D B1FYM3 7-(5-Cyclohexylimino-4-methyl-1,3,4-thiadiazol-2-yl)quinazolin-4-amine Investigative 6918791 C17H20N6S 340.4 CN1C(=NC2CCCCC2)SC(=N1)C3=CC4=C(C=C3)C(=NC=N4)N IC50 ~ 101000 nM Poor binder T02001 Phosphodiesterase 4D B1PUI5 4-{5-[(Z)-Cyclohexylimino]-4-methyl-4,5-dihydro-[1,3,4]thiadiazol-2-yl}-N-(2-dimethylamino-ethyl)-N-methyl-benzamide Investigative 21920369 C21H31N5OS 401.6 CN1C(=NC2CCCCC2)SC(=N1)C3=CC=C(C=C3)C(=O)N(C)CCN(C)C IC50 ~ 101000 nM Poor binder T02001 Phosphodiesterase 4D B1XH2D 4-[[5-(4-Chlorophenyl)-3-methyl-1,3,4-thiadiazol-2-ylidene]amino]cyclohexan-1-amine Investigative 9836880 C15H19ClN4S 322.9 CN1C(=NC2CCC(CC2)N)SC(=N1)C3=CC=C(C=C3)Cl IC50 ~ 101000 nM Poor binder T02001 Phosphodiesterase 4D B28ZOQ 2-{5-[(Z)-Cyclohexylimino]-4-methyl-4,5-dihydro-[1,3,4]thiadiazol-2-yl}-phenol Investigative 135856794 C15H19N3OS 289.4 CN1C(=NC2CCCCC2)SC(=N1)C3=CC=CC=C3O IC50 = 71000 nM Poor binder T02001 Phosphodiesterase 4D B2J8RL Cyclopentyl(4-(3-(4-(3-fluorophenyl)pyridazino[4,5-b]indolizin-1-ylamino)propyl)piperazin-1-yl)methanone Investigative 46884170 C29H33FN6O 500.6 C1CCC(C1)C(=O)N2CCN(CC2)CCCNC3=NN=C(C4=C3C=C5N4C=CC=C5)C6=CC(=CC=C6)F Ki = 61000 nM Poor binder T02001 Phosphodiesterase 4D B2LF7S Chembl4174666 Investigative 27659581 C20H16N2O4 348.4 C1CN(CC2=CC=CC=C21)C(=O)C3=CC=C(O3)C4=CC=C(C=C4)[N+](=O)[O-] IC50 = 88300 nM Poor binder T02001 Phosphodiesterase 4D B2MGU0 Chembl4167151 Investigative 145952944 C21H19NO2 317.4 CC1=CC=C(C=C1)C2=CC=C(O2)C(=O)N3CCCC4=CC=CC=C43 IC50 = 50100 nM Poor binder T02001 Phosphodiesterase 4D B3QKX6 4-(3-Fluorophenyl)-N-(3-(4-(pyrimidin-2-yl)piperazin-1-yl)propyl)pyridazino[4,5-b]indolizin-1-amine Investigative 46884097 C27H27FN8 482.6 C1CN(CCN1CCCNC2=NN=C(C3=C2C=C4N3C=CC=C4)C5=CC(=CC=C5)F)C6=NC=CC=N6 Ki = 83000 nM Poor binder T02001 Phosphodiesterase 4D B3ZXS7 Chembl4172684 Investigative 2566813 C20H16N2O4 348.4 C1CC2=CC=CC=C2N(C1)C(=O)C3=CC=C(O3)C4=CC=C(C=C4)[N+](=O)[O-] IC50 = 77200 nM Poor binder T02001 Phosphodiesterase 4D 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 = 53200 nM Poor binder T02001 Phosphodiesterase 4D B4M6RX 5-(3-Chlorophenyl)-N-cyclohexyl-3-methyl-1,3,4-thiadiazol-2-imine Investigative 21920329 C15H18ClN3S 307.8 CN1C(=NC2CCCCC2)SC(=N1)C3=CC(=CC=C3)Cl IC50 ~ 101000 nM Poor binder T02001 Phosphodiesterase 4D B50WTU Chembl4204765 Investigative 145976583 C22H24ClNO3 385.9 COC1=C(C=C2CN(CCC2=C1)C(=O)C3=CC=C(C=C3)Cl)OC4CCCC4 IC50 = 92580 nM Poor binder T02001 Phosphodiesterase 4D 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 T02001 Phosphodiesterase 4D B5F0KA Chembl4164011 Investigative 145959784 C21H19NO2 317.4 CC1=CC=C(C=C1)C2=CC=C(O2)C(=O)N3CCC4=CC=CC=C4C3 IC50 = 56800 nM Poor binder T02001 Phosphodiesterase 4D B5S2NX Chembl4160331 Investigative 145960159 C20H15F2NO2 339.3 C1CC2=CC=CC=C2N(C1)C(=O)C3=CC=C(O3)C4=C(C=CC=C4F)F IC50 = 81300 nM Poor binder T02001 Phosphodiesterase 4D B6E2KY (4-(3-(1,2-Dimethyl-7-(3-nitrophenyl)-1H-pyrrolo[3,2-d]pyridazin-4-ylamino)propyl)piperazin-1-yl)(pyridazin-4-yl)methanone Investigative 46884368 C26H29N9O3 515.6 CC1=CC2=C(N1C)C(=NN=C2NCCCN3CCN(CC3)C(=O)C4=CN=NC=C4)C5=CC(=CC=C5)[N+](=O)[O-] Ki = 51200 nM Poor binder T02001 Phosphodiesterase 4D B6HBD1 1-[3-Methoxy-4-(tetrahydropyran-4-yloxy)phenyl]butan-1-one Investigative 25178735 C16H22O4 278.34 CCCC(=O)C1=CC(=C(C=C1)OC2CCOCC2)OC IC50 = 60000 nM Poor binder T02001 Phosphodiesterase 4D B6M1HS (4-(3-(1,2-Dimethyl-7-(3-nitrophenyl)-1H-pyrrolo[3,2-d]pyridazin-4-ylamino)propyl)piperazin-1-yl)(pyridin-4-yl)methanone Investigative 46884257 C27H30N8O3 514.6 CC1=CC2=C(N1C)C(=NN=C2NCCCN3CCN(CC3)C(=O)C4=CC=NC=C4)C5=CC(=CC=C5)[N+](=O)[O-] Ki ~ 100000 nM Poor binder T02001 Phosphodiesterase 4D B72YKV N-(1-Azabicyclo[2.2.1]heptan-3-yl)-5-(4-chlorophenyl)-3-methyl-1,3,4-thiadiazol-2-imine Investigative 44393929 C15H17ClN4S 320.8 CN1C(=NC2CN3CCC2C3)SC(=N1)C4=CC=C(C=C4)Cl IC50 = 79000 nM Poor binder T02001 Phosphodiesterase 4D B7CDZ0 1-[3-Methoxy-4-(tetrahydropyran-4-yloxy)phenyl]pentan-1-one Investigative 25178736 C17H24O4 292.4 CCCCC(=O)C1=CC(=C(C=C1)OC2CCOCC2)OC IC50 = 70794.58 nM Poor binder T02001 Phosphodiesterase 4D B7GR4Y 1-[3-Methoxy-4-(tetrahydrofuran-3-yloxy)phenyl]pentan-1-one Investigative 25178738 C16H22O4 278.34 CCCCC(=O)C1=CC(=C(C=C1)OC2CCOC2)OC IC50 = 100000 nM Poor binder T02001 Phosphodiesterase 4D 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 T02001 Phosphodiesterase 4D B8D2LK 1-(4-(3-(4-(3-Fluorophenyl)pyridazino[4,5-b]indolizin-1-ylamino)propyl)piperazin-1-yl)ethanone Investigative 46884135 C25H27FN6O 446.5 CC(=O)N1CCN(CC1)CCCNC2=NN=C(C3=C2C=C4N3C=CC=C4)C5=CC(=CC=C5)F Ki ~ 100000 nM Poor binder T02001 Phosphodiesterase 4D 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 T02001 Phosphodiesterase 4D B91LIR 5-(4-Chlorophenyl)-N-cyclooctyl-3-methyl-1,3,4-thiadiazol-2-imine Investigative 44393959 C17H22ClN3S 335.9 CN1C(=NC2CCCCCCC2)SC(=N1)C3=CC=C(C=C3)Cl IC50 ~ 101000 nM Poor binder T02001 Phosphodiesterase 4D B9MJY2 Chembl4281168 Investigative 145981967 C17H16N2O2 280.32 CC1=CC=C(C=C1)C2=CC=C(O2)C(=O)N3C(=CC(=N3)C)C IC50 = 52900 nM Poor binder T02001 Phosphodiesterase 4D BAG60F (4-(3-(1,2-Dimethyl-7-phenyl-1H-pyrrolo[3,2-d]pyridazin-4-ylamino)propyl)piperazin-1-yl)(pyrimidin-2-yl)methanone Investigative 46884218 C26H30N8O 470.6 CC1=CC2=C(N1C)C(=NN=C2NCCCN3CCN(CC3)C(=O)C4=NC=CC=N4)C5=CC=CC=C5 Ki ~ 100000 nM Poor binder T02001 Phosphodiesterase 4D BB82QW 1-[4-Methoxy-3-(piperidin-4-yloxy)phenyl]pentan-1-one Investigative 25178916 C17H25NO3 291.4 CCCCC(=O)C1=CC(=C(C=C1)OC)OC2CCNCC2 IC50 = 102000 nM Poor binder T02001 Phosphodiesterase 4D BBL4O3 7-{5-[(Z)-Cyclohexylimino]-4-methyl-4,5-dihydro-[1,3,4]thiadiazol-2-yl}-2-methyl-quinazolin-4-ylamine Investigative 6918792 C18H22N6S 354.5 CC1=NC2=C(C=CC(=C2)C3=NN(C(=NC4CCCCC4)S3)C)C(=N1)N IC50 = 92330 nM Poor binder T02001 Phosphodiesterase 4D BBSR20 5-(4-Chlorophenyl)-3-methyl-N-pentan-3-yl-1,3,4-thiadiazol-2-imine Investigative 21920385 C14H18ClN3S 295.8 CCC(CC)N=C1N(N=C(S1)C2=CC=C(C=C2)Cl)C IC50 ~ 101000 nM Poor binder T02001 Phosphodiesterase 4D BC25TG (4-(3-(4-Phenylpyridazino[4,5-b]indolizin-1-ylamino)propyl)piperazin-1-yl)(pyrazin-2-yl)methanone Investigative 46830337 C28H28N8O 492.6 C1CN(CCN1CCCNC2=NN=C(C3=C2C=C4N3C=CC=C4)C5=CC=CC=C5)C(=O)C6=NC=CN=C6 IC50 ~ 100000 nM Poor binder T02001 Phosphodiesterase 4D BC9B4R Chembl4162324 Investigative 145957727 C20H16ClNO2 337.8 C1CC2=CC=CC=C2N(C1)C(=O)C3=CC=C(O3)C4=CC(=CC=C4)Cl IC50 = 96800 nM Poor binder T02001 Phosphodiesterase 4D BCOU91 4-{5-[(Z)-Cyclohexylimino]-4-methyl-4,5-dihydro-[1,3,4]thiadiazol-2-yl}-2-methoxy-benzamide Investigative 21920341 C17H22N4O2S 346.4 CN1C(=NC2CCCCC2)SC(=N1)C3=CC(=C(C=C3)C(=O)N)OC IC50 ~ 101000 nM Poor binder T02001 Phosphodiesterase 4D BCR67U Ethyl 2-[4-[3,5-bis(cyclopropylmethoxy)phenyl]-6-methoxy-2-methylquinazolin-7-yl]oxyacetate Investigative 44329685 C28H32N2O6 492.6 CCOC(=O)COC1=C(C=C2C(=C1)N=C(N=C2C3=CC(=CC(=C3)OCC4CC4)OCC5CC5)C)OC IC50 ~ 100000 nM Poor binder T02001 Phosphodiesterase 4D BD3I9Y (4-(3-(1,2-Dimethyl-7-(3-nitrophenyl)-1H-pyrrolo[3,2-d]pyridazin-4-ylamino)propyl)piperazin-1-yl)(isoxazol-5-yl)methanone Investigative 46884300 C25H28N8O4 504.5 CC1=CC2=C(N1C)C(=NN=C2NCCCN3CCN(CC3)C(=O)C4=CC=NO4)C5=CC(=CC=C5)[N+](=O)[O-] Ki ~ 100000 nM Poor binder T02001 Phosphodiesterase 4D BD5FL3 1-(4-(3-(4-(3-Fluorophenyl)pyridazino[4,5-b]indolizin-1-ylamino)propyl)piperazin-1-yl)propan-1-one Investigative 46884136 C26H29FN6O 460.5 CCC(=O)N1CCN(CC1)CCCNC2=NN=C(C3=C2C=C4N3C=CC=C4)C5=CC(=CC=C5)F Ki ~ 100000 nM Poor binder T02001 Phosphodiesterase 4D BDP8I0 Chembl4206447 Investigative 145975414 C21H24ClNO4S 421.9 COC1=C(C=C2CN(CCC2=C1)S(=O)(=O)C3=CC=C(C=C3)Cl)OC4CCCC4 IC50 = 133560 nM Poor binder T02001 Phosphodiesterase 4D BDW7G1 N-(3-(4-(Pyrimidin-2-yl)piperazin-1-yl)propyl)-4-m-tolylpyridazino[4,5-b]indolizin-1-amine Investigative 46884094 C28H30N8 478.6 CC1=CC(=CC=C1)C2=NN=C(C3=C2N4C=CC=CC4=C3)NCCCN5CCN(CC5)C6=NC=CC=N6 Ki = 54400 nM Poor binder T02001 Phosphodiesterase 4D BF48BP (4-(3-(4-(3-Fluorophenyl)pyridazino[4,5-b]indolizin-1-ylamino)propyl)piperazin-1-yl)(1-methyl-1H-pyrrol-2-yl)methanone Investigative 46884172 C29H30FN7O 511.6 CN1C=CC=C1C(=O)N2CCN(CC2)CCCNC3=NN=C(C4=C3C=C5N4C=CC=C5)C6=CC(=CC=C6)F Ki = 65000 nM Poor binder T02001 Phosphodiesterase 4D 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 = 55000 nM Poor binder T02001 Phosphodiesterase 4D BG6YU5 1-[3-Methoxy-4-(tetrahydrofuran-3-yloxy)phenyl]butan-1-ol Investigative 25181021 C15H22O4 266.33 CCCC(C1=CC(=C(C=C1)OC2CCOC2)OC)O IC50 ~ 100000 nM Poor binder T02001 Phosphodiesterase 4D BGM86U (3,4,5-Trimethoxyphenyl)methyl 5-phenylfuran-2-carboxylate Investigative 57385767 C21H20O6 368.4 COC1=CC(=CC(=C1OC)OC)COC(=O)C2=CC=C(O2)C3=CC=CC=C3 IC50 = 66300 nM Poor binder T02001 Phosphodiesterase 4D BHL63Q 2-[[5-(4-Chlorophenyl)-3-methyl-1,3,4-thiadiazol-2-ylidene]amino]-3-hydroxybenzoic acid Investigative 44393950 C16H12ClN3O3S 361.8 CN1C(=NC2=C(C=CC=C2O)C(=O)O)SC(=N1)C3=CC=C(C=C3)Cl IC50 = 58250 nM Poor binder T02001 Phosphodiesterase 4D BHXG73 Ethyl 3,5-dimethyl-1H-pyrazole-4-carboxylate Investigative 215436 C8H12N2O2 168.19 CCOC(=O)C1=C(NN=C1C)C IC50 = 82000 nM Poor binder T02001 Phosphodiesterase 4D BI34MR [1-[[5-(4-Chlorophenyl)-3-methyl-1,3,4-thiadiazol-2-ylidene]amino]cyclopentyl]methanol Investigative 21920253 C15H18ClN3OS 323.8 CN1C(=NC2(CCCC2)CO)SC(=N1)C3=CC=C(C=C3)Cl IC50 ~ 101000 nM Poor binder T02001 Phosphodiesterase 4D BJ89QB 2-[4-[3,5-Bis(cyclopropylmethoxy)phenyl]-2-ethyl-7-(2-hydroxyethoxy)quinazolin-6-yl]oxyethanol Investigative 44329633 C28H34N2O6 494.6 CCC1=NC2=CC(=C(C=C2C(=N1)C3=CC(=CC(=C3)OCC4CC4)OCC5CC5)OCCO)OCCO IC50 ~ 100000 nM Poor binder T02001 Phosphodiesterase 4D BLM9B3 Chembl4281304 Investigative 145980160 C23H18F4N6O 470.4 C1CC1NC2=CC(=NN3C2=NC=C3C(=O)N)NC4=CC=CC(=C4)C5=C(C=C(C=C5)C(F)(F)F)F IC50 ~ 100000 nM Poor binder T02001 Phosphodiesterase 4D BM21LG (4-(3-(7-(3-Fluorophenyl)-1,2-dimethyl-1H-pyrrolo[3,2-d]pyridazin-4-ylamino)propyl)piperazin-1-yl)(pyrimidin-2-yl)methanone Investigative 46884255 C26H29FN8O 488.6 CC1=CC2=C(N1C)C(=NN=C2NCCCN3CCN(CC3)C(=O)C4=NC=CC=N4)C5=CC(=CC=C5)F Ki ~ 100000 nM Poor binder T02001 Phosphodiesterase 4D BN6D2F Chembl4165955 Investigative 145953102 C20H15F2NO2 339.3 C1CN(CC2=CC=CC=C21)C(=O)C3=CC=C(O3)C4=C(C=CC=C4F)F IC50 = 89200 nM Poor binder T02001 Phosphodiesterase 4D BN8KE9 1-[3-Methoxy-4-(tetrahydropyran-4-yloxy)phenyl]butan-1-ol Investigative 25180832 C16H24O4 280.36 CCCC(C1=CC(=C(C=C1)OC2CCOCC2)OC)O IC50 ~ 100000 nM Poor binder T02001 Phosphodiesterase 4D BP0F3I Chembl4283822 Investigative 145990536 C16H12F2N2O2 302.27 CC1=CC(=NN1C(=O)C2=CC=C(O2)C3=C(C=CC=C3F)F)C IC50 = 88200 nM Poor binder T02001 Phosphodiesterase 4D BP4FX7 Chembl4289060 Investigative 145987253 C16H13N3O4 311.29 CC1=CC(=NN1C(=O)C2=CC=C(O2)C3=CC=C(C=C3)[N+](=O)[O-])C IC50 = 87300 nM Poor binder T02001 Phosphodiesterase 4D BP8KM9 1-[3-Methoxy-4-(tetrahydrofuran-3-yloxy)phenyl]pentan-1-ol Investigative 25181022 C16H24O4 280.36 CCCCC(C1=CC(=C(C=C1)OC2CCOC2)OC)O IC50 ~ 100000 nM Poor binder T02001 Phosphodiesterase 4D BQ15DL N-(3-Bicyclo[2.2.1]heptanyl)-5-(4-chlorophenyl)-3-methyl-1,3,4-thiadiazol-2-imine Investigative 9966833 C16H18ClN3S 319.9 CN1C(=NC2CC3CCC2C3)SC(=N1)C4=CC=C(C=C4)Cl IC50 ~ 101000 nM Poor binder T02001 Phosphodiesterase 4D BSK4L9 4-(2-Methoxy-4-pentanoylphenoxy)piperidine-1-carboxylic Acidtert-Butyl Ester Investigative 25178733 C22H33NO5 391.5 CCCCC(=O)C1=CC(=C(C=C1)OC2CCN(CC2)C(=O)OC(C)(C)C)OC IC50 = 93000 nM Poor binder T02001 Phosphodiesterase 4D BSO0M8 4-[2-[3-[(3-Cyclopentyloxy-4-methoxyphenyl)methyl]-6-imino-7H-purin-8-yl]-2-methylpropoxy]benzoic acid Investigative 136132229 C29H33N5O5 531.6 CC(C)(COC1=CC=C(C=C1)C(=O)O)C2=NC3=C(N2)C(=N)N=CN3CC4=CC(=C(C=C4)OC)OC5CCCC5 Ki ~ 50000 nM Poor binder T02001 Phosphodiesterase 4D BSR6U4 7-Benzyloxy-4-(3,5-bis-cyclopropylmethoxy-phenyl)-2-ethyl-6-methoxy-quinazoline Investigative 44329482 C32H34N2O4 510.6 CCC1=NC2=CC(=C(C=C2C(=N1)C3=CC(=CC(=C3)OCC4CC4)OCC5CC5)OC)OCC6=CC=CC=C6 IC50 ~ 100000 nM Poor binder T02001 Phosphodiesterase 4D BT95NB 3-[[5-(4-Chlorophenyl)-3-methyl-1,3,4-thiadiazol-2-ylidene]amino]phenol Investigative 9966737 C15H12ClN3OS 317.8 CN1C(=NC2=CC(=CC=C2)O)SC(=N1)C3=CC=C(C=C3)Cl IC50 ~ 101000 nM Poor binder T02001 Phosphodiesterase 4D BTDO10 4-[[5-(4-Chlorophenyl)-3-methyl-1,3,4-thiadiazol-2-ylidene]amino]benzoic Acid Investigative 9968050 C16H12ClN3O2S 345.8 CN1C(=NC2=CC=C(C=C2)C(=O)O)SC(=N1)C3=CC=C(C=C3)Cl IC50 ~ 101000 nM Poor binder T02001 Phosphodiesterase 4D BTFK81 (4-(3-(7-(3-Chlorophenyl)-1,2-dimethyl-1H-pyrrolo[3,2-d]pyridazin-4-ylamino)propyl)piperazin-1-yl)(pyrimidin-2-yl)methanone Investigative 46884219 C26H29ClN8O 505 CC1=CC2=C(N1C)C(=NN=C2NCCCN3CCN(CC3)C(=O)C4=NC=CC=N4)C5=CC(=CC=C5)Cl Ki = 80900 nM Poor binder T02001 Phosphodiesterase 4D BTR15E 1-[3-Methoxy-4-(tetrahydropyran-4-yloxy)phenyl]pentan-1-ol Investigative 25181020 C17H26O4 294.4 CCCCC(C1=CC(=C(C=C1)OC2CCOCC2)OC)O IC50 ~ 100000 nM Poor binder T02001 Phosphodiesterase 4D BTY3I8 7-[3-(Cyclopropylmethoxy)-4-(difluoromethoxy)phenyl]-2-pyridin-3-ylpyrazolo[1,5-a]pyrimidine Investigative 24775191 C22H18F2N4O2 408.4 C1CC1COC2=C(C=CC(=C2)C3=CC=NC4=CC(=NN34)C5=CN=CC=C5)OC(F)F EC50 = 66900 nM Poor binder T02001 Phosphodiesterase 4D BUM9N1 4-{5-[(Z)-Cyclohexylimino]-4-methyl-4,5-dihydro-[1,3,4]thiadiazol-2-yl}-benzoic acid methyl ester Investigative 44394060 C17H21N3O2S 331.4 CN1C(=NC2CCCCC2)SC(=N1)C3=CC=C(C=C3)C(=O)OC IC50 = 95500 nM Poor binder T02001 Phosphodiesterase 4D BVK69Q (4-(3-(1,2-Dimethyl-7-(3-nitrophenyl)-1H-pyrrolo[3,2-d]pyridazin-4-ylamino)propyl)piperazin-1-yl)(pyrimidin-2-yl)methanone Investigative 46884256 C26H29N9O3 515.6 CC1=CC2=C(N1C)C(=NN=C2NCCCN3CCN(CC3)C(=O)C4=NC=CC=N4)C5=CC(=CC=C5)[N+](=O)[O-] Ki ~ 100000 nM Poor binder T02001 Phosphodiesterase 4D BW4GZ0 4-Phenyl-N-(3-(4-(pyrimidin-2-yl)piperazin-1-yl)propyl)pyridazino[4,5-b]indolizin-1-amine Investigative 46884033 C27H28N8 464.6 C1CN(CCN1CCCNC2=NN=C(C3=C2C=C4N3C=CC=C4)C5=CC=CC=C5)C6=NC=CC=N6 Ki = 59000 nM Poor binder T02001 Phosphodiesterase 4D BZWK74 4-(4-Hydroxy-3-methoxyphenyl]-4-pyridin-3-ylbutan-2-one Investigative 44588185 C16H17NO3 271.31 CC(=O)CC(C1=CC(=C(C=C1)O)OC)C2=CN=CC=C2 IC50 = 79432.82 nM Poor binder T02001 Phosphodiesterase 4D D05UMA (R)-DULOXETINE Investigative 10334821 C18H19NOS 297.4 CNCC[C@H](C1=CC=CS1)OC2=CC=CC3=CC=CC=C32 IC50 ~ 100000 nM Poor binder T02001 Phosphodiesterase 4D D08AWN (S)-Norfluoxetine Investigative 3058751 C16H16F3NO 295.3 C1=CC=C(C=C1)[C@H](CCN)OC2=CC=C(C=C2)C(F)(F)F IC50 ~ 100000 nM Poor binder T02001 Phosphodiesterase 4D D0I4TO (S)-NORDULOXETINE Investigative 10107888 C17H17NOS 283.4 C1=CC=C2C(=C1)C=CC=C2O[C@@H](CCN)C3=CC=CS3 IC50 ~ 100000 nM Poor binder T02001 Phosphodiesterase 4D D0WB6P R-NORDULOXETINE Investigative 46227262 C17H17NOS 283.4 C1=CC=C2C(=C1)C=CC=C2O[C@H](CCN)C3=CC=CS3 IC50 ~ 100000 nM Poor binder