![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_1961b7226a78effcaa4c32dfbd05b21a.svg) | 1-(2-Chlorophenyl)-6-[(2R)-3,3,3-trifluoro-2-methylpropyl]-5,7a-dihydro-3aH-pyrazolo[3,4-d]pyrimidin-4-one | IC50 | 179.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_e13b8104d80835babbe6500334fe5608.svg) | 1-(2-Chlorophenyl)-6-[(2S)-3,3,3-trifluoro-2-methylpropyl]-5,7a-dihydro-3aH-pyrazolo[3,4-d]pyrimidin-4-one | IC50 | 471.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_ce2451a6dd9c86e3ec85025ead605266.svg) | Sildenafil | IC50 | 3400.0 [1], 3600.0 [2], 5600.0 [3], 10000.0 [4] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_4a2f7aa95b8e5fa8d1122874409c701a.svg) | Tadalafil | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_c0d3b0a130c57b20669e881410f30f66.svg) | 1-(Oxan-4-yl)-6-[(1R)-1-(3-phenoxyazetidin-1-yl)ethyl]-5H-pyrazolo[3,4-d]pyrimidin-4-one | IC50 | 12.5 [1], 22.0 [2], 22.5 [3] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_611aee8360ba5f29cd9711190dfe1482.svg) | Vardenafil | IC50 | 460.0 [1], 680.0 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_5d6e7c24120ece0ac9a38c5d15eda447.svg) | 1-(2-Chlorophenyl)-6-[(2R)-3,3,3-trifluoro-2-methylpropyl]-5H-pyrazolo[3,4-d]pyrimidin-4-one | IC50 | 49.7 [1], 55.0 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_bb61b6c2e25195544b03e3a63df18225.svg) | PF-04447943 | IC50 | 8.3 [1], 49.0 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_b781b793b1bc8f43d525fd41ea01d9f2.svg) | 2-Methoxy-6,7-dimethyl-9-propylimidazo[1,5-a]pyrido[3,2-e]pyrazine | IC50 | 5000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_28b50427801bc65cb94984723840e590.svg) | 6-Benzyl-1-cyclopentyl-1,5-dihydro-4h-pyrazolo[3,4-d]pyrimidin-4-one | IC50 | 0.8 [1], 2.1 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_fc6d77560bbc5fda2fdfabea982b1bfc.svg) | 5-(3-Chlorobenzyl)-3-isopropyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one | IC50 | 8.0 [1], 10.0 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_dbfad85f711eac38620c837450a1bac7.svg) | 1-Cyclopentyl-6-[(1r)-1-(3-Phenoxyazetidin-1-Yl)ethyl]-1,5-Dihydro-4h-Pyrazolo[3,4-D]pyrimidin-4-One | IC50 | 11.0 [1], 33.2 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_ee60703aac6c5c7159d065286c75db9d.svg) | 2-Fluoro-5-[1-[1-[1-(oxan-4-yl)-4-oxo-5H-pyrazolo[3,4-d]pyrimidin-6-yl]ethyl]azetidin-3-yl]oxybenzonitrile | IC50 | 20.0 [1], 47.0 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_2906e927d82501c5bc26031935b07c85.svg) | 1-Cyclopentyl-6-[(1R)-1-(3-phenylpyrrolidin-1-yl)ethyl]-5H-pyrazolo[3,4-d]pyrimidin-4-one | IC50 | 230.0 [1], 273.0 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_51877eb7abdb0f0fdf1e98408f1fb404.svg) | 6-[(3S,4S)-4-Methyl-1-[(2-methylpyrimidin-5-yl)methyl]pyrrolidin-3-yl]-1-(oxan-4-yl)-5H-pyrazolo[3,4-d]pyrimidin-4-one | IC50 | 4.6 [1], 36.0 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_146219df5ace1dd388c5663282b3e08a.svg) | 6-[(3S,4S)-4-Methyl-1-[(5-methylpyrazin-2-yl)methyl]pyrrolidin-3-yl]-1-(oxan-4-yl)-5H-pyrazolo[3,4-d]pyrimidin-4-one | IC50 | 12.0 [1], 59.0 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_a08eb5fca6c315cc493f578c332bd8b3.svg) | 6-[(3S,4S)-1-[(4-Fluorophenyl)methyl]-4-methylpyrrolidin-3-yl]-1-(oxan-4-yl)-5H-pyrazolo[3,4-d]pyrimidin-4-one | IC50 | 0.9 [1], 17.0 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_25f6a391bbb29e7d2eaf592b3d316200.svg) | 6-[(3S,4S)-4-Methyl-1-(pyridin-2-ylmethyl)pyrrolidin-3-yl]-1-(oxan-4-yl)-5H-pyrazolo[3,4-d]pyrimidin-4-one | IC50 | 6.3 [1], 14.0 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_8596ab2d3273e62e4ab5d02cc4b07876.svg) | 1-Cyclopentyl-6-[(1S)-1-(3-phenoxyazetidin-1-yl)ethyl]-5H-pyrazolo[3,4-d]pyrimidin-4-one | IC50 | 10.5 [1], 986.0 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_af3c1e25e72affc5bc55f8c57268ec5d.svg) | 2-Chloro-4-[1-[1-[1-(oxan-4-yl)-4-oxo-5H-pyrazolo[3,4-d]pyrimidin-6-yl]ethyl]azetidin-3-yl]oxybenzonitrile | IC50 | 13.2 [1], 19.0 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_b15b75b5d95e652faa3d273819b38f0b.svg) | 2-Fluoro-4-[1-[1-[1-(oxan-4-yl)-4-oxo-5H-pyrazolo[3,4-d]pyrimidin-6-yl]ethyl]azetidin-3-yl]oxybenzonitrile | IC50 | 34.8 [1], 43.0 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_307eefcab7cda8b219af9cdd9518d79e.svg) | 4-[1-[1-[1-(Oxan-4-yl)-4-oxo-5H-pyrazolo[3,4-d]pyrimidin-6-yl]ethyl]azetidin-3-yl]oxybenzonitrile | IC50 | 70.0 [1], 70.2 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_f424ed24144eb9a590a8490626e8d028.svg) | 1-(Oxan-4-yl)-6-[1-(3-pyrimidin-2-yloxyazetidin-1-yl)ethyl]-5H-pyrazolo[3,4-d]pyrimidin-4-one | IC50 | 45.3 [1], 63.0 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_c7fe450fc8b32d17ff34da1a157dbda9.svg) | 6-(Cyclohexylmethyl)-1-(1-ethylpropyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one | IC50 | 110.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_e18ecb9715f3339fd4c666765dbfb177.svg) | 6-[(1R)-1-[3-(4-Fluorophenoxy)azetidin-1-yl]ethyl]-1-(oxan-4-yl)-5H-pyrazolo[3,4-d]pyrimidin-4-one | IC50 | 10.7 [1], 12.18 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_9475fda5e2093e94d418c9f38b4bb15c.svg) | 1-(Oxan-4-yl)-6-[(1R)-1-(3-phenylazetidin-1-yl)ethyl]-5H-pyrazolo[3,4-d]pyrimidin-4-one | IC50 | 25.4 [1], 82.4 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_0f22e9c37ad28135132e01730902b568.svg) | 1-(Oxan-4-yl)-6-[1-(3-pyrazin-2-yloxyazetidin-1-yl)ethyl]-5H-pyrazolo[3,4-d]pyrimidin-4-one | IC50 | 39.9 [1], 73.5 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_fa027d89c8baebe2672afed83522b191.svg) | 1-(Oxan-4-yl)-6-[1-(3-quinoxalin-2-yloxyazetidin-1-yl)ethyl]-5H-pyrazolo[3,4-d]pyrimidin-4-one | IC50 | 2.94 [1], 8.47 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_f2a6c0c2d191c5d162f04c4f0e17d695.svg) | 6-[(1R)-1-(3-Benzylazetidin-1-yl)ethyl]-1-(oxan-4-yl)-5H-pyrazolo[3,4-d]pyrimidin-4-one | IC50 | 13.2 [1], 31.4 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_669a123f55d2a60ec8ae640424868c66.svg) | 1-Cyclopentyl-6-[(1R)-1-[3-(4-methylphenoxy)azetidin-1-yl]ethyl]-5H-pyrazolo[3,4-d]pyrimidin-4-one | IC50 | 67.1 [1], 222.0 [2] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_fac222a9fee62d9cda063e5aabf1d4d4.svg) | 3-Isobutyl-1-methylxanthine | IC50 | 200000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_fe3f92a2cc3d499742993c6ba3abb5e6.svg) | Rolipram | IC50 | 16000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_f2c1c04ef0787963213517a6b0b2b31c.svg) | Zaprinast | Ki | 35000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_8cca9e4d06aa1ff65012531f8a6b3dcf.svg) | Moracin M | IC50 | 100000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_b942b67851a5c47a73c616c1c844ed0a.svg) | Moracin C | IC50 | 100000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_7ad97befb4c1dd57e9f2fd44275c5b12.svg) | (2S,3R)-3-(6-Amino-9H-purin-9-yl)nonan-2-ol | IC50 | 16000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_f6d18589912c3a3faacf5ce5718df28c.svg) | 8-[(4-Chlorophenyl)methyl]-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,11(16)-tetraen-7-one | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_93d0c1872906022d84620db4fcb98ef6.svg) | 4-(4-((8-(3-(Difluoromethoxy)phenyl)quinolin-6-yl)methoxy)phenyl)-2-methylbutan-2-ol | IC50 | 55000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_d3a695ab2e4a7dc1c9866bd12e95cfbc.svg) | 1-(Oxan-4-yl)-6-(pyridin-2-ylmethyl)-5H-pyrazolo[3,4-d]pyrimidin-4-one | IC50 | 52.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_af2c74612baafca81120e16fd567e689.svg) | Roflupram | IC50 | 50000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_89f3c4ba226ea44f46e922aa80cd3bd1.svg) | 4-(3-(1-Acetylpiperidine-4-yl)pyrazine-2-yloxy)phenyl(1H-benzoimidazole-2-yl)methanone | IC50 | 30000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_b892462b277acb6c79a58e69517da542.svg) | Unii-7eis09YY11 | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_6577747cd13a8cfc2779bc430d84b6be.svg) | 3-[(4-Hydroxycyclohexyl)amino]-7-(6-methoxypyridin-3-yl)-1-(2-propoxyethyl)pyrido[3,4-b]pyrazin-2-one | IC50 | 2000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_f31101e5d11c371914b8aff9a279bf1e.svg) | 7-(6-Methoxypyridin-3-yl)-3-(2-morpholin-4-ylethylamino)-1-(2-propoxyethyl)pyrido[3,4-b]pyrazin-2-one | IC50 | 2000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_819290999ca0dd8cdbcaa3e769938a1d.svg) | PDE-9 inhibitor | IC50 | 4.9 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_f3c12f7358e5d66a48285092ab2b2b0d.svg) | CID 46239428 | Ki | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_4bd4116bdb52967877c5df16bc89db7f.svg) | 4-[[1-(2-Chlorophenyl)-4-methyl-[1,2,4]triazolo[4,3-a]quinoxalin-8-yl]methyl]morpholine | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_e08e3d5d067ce17bc18c4729515013a5.svg) | (4As,8aR)-2-cycloheptyl-4-[4-methoxy-3-[4-[4-(2H-tetrazol-5-yl)phenoxy]butoxy]phenyl]-4a,5,8,8a-tetrahydrophthalazin-1-one | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_79c2df8ec8565daaf9bb589fd061e8c3.svg) | N-[(1S)-1-[3-Fluoro-4-(trifluoromethoxy)phenyl]-2-methoxyethyl]-7-methoxy-2-oxo-1,3-dihydropyrido[2,3-b]pyrazine-4-carboxamide | IC50 | 30000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_f75c6abd61e3db1fb600998373bb17be.svg) | 1-Cyclopentyl-6-[(3S,4S)-4-methyl-1-(quinoxalin-6-ylmethyl)pyrrolidin-3-yl]-5H-pyrazolo[3,4-d]pyrimidin-4-one | IC50 | 1.8 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_e31dcdabb93756eb8287fac0c67e4dae.svg) | 5-[[4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-5-yl)phenyl]methyl]-N-hydroxythiophene-2-carboxamide | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_4196f50842d7c7039f815b7e9fba51f1.svg) | N-(12-Methoxy-5-methyl-3-propyl-2,4,8,13-tetrazatricyclo[7.4.0.02,6]trideca-1(9),3,5,7,10,12-hexaen-7-yl)methanesulfonamide | IC50 | 1000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_998fc95c5ddc1febcb78861b6aa74b44.svg) | 6,8-Dimethoxy-3,4-dimethyl-1-(3-methylpyridin-4-yl)imidazo[1,5-a]quinoxaline | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_c3d23f6a68880aeed075badec9650b84.svg) | 6-Methoxy-3,8-Dimethyl-4-(Morpholin-4-Ylmethyl)-1h-Pyrazolo[3,4-B]quinoline | Ki | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_97191d4bffad26c484b8d0263553b195.svg) | 4-[(3-Chloro-4-methoxyphenyl)methylamino]-8-cyclopropyl-3-(hydroxymethyl)quinoline-6-carbonitrile | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_7f343f149e1d8a1ac05f3b50b0850307.svg) | [1-(3-{[1-(Quinolin-2-Yl)azetidin-3-Yl]oxy}pyrazin-2-Yl)piperidin-4-Yl]methanol | IC50 | 30000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_b712c6ff498c52f64cc1e301e50cbafd.svg) | 1-(5-Butoxypyridin-3-Yl)-4-Methyl-8-(Morpholin-4-Ylmethyl)[1,2,4]triazolo[4,3-A]quinoxaline | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_52a7c830bb619af744b123a78e1b4a1d.svg) | Pde2/pde10-IN-1 | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_a92987c05c9abd3aa2365ce8b02b0ce3.svg) | 1-Methyl-3-(4-methylpyridin-3-yl)-6-(pyridin-2-ylmethoxy)pyrazolo[3,4-b]pyrazine | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_6c9f00394f14f5a85fad5ec3f73074ae.svg) | (11R,15S)-5-Anilino-4-[[4-(6-fluoropyridin-2-yl)phenyl]methyl]-8-methyl-1,3,4,8,10-pentazatetracyclo[7.6.0.02,6.011,15]pentadeca-2,5,9-trien-7-one;phosphoric acid | Ki | 17000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_a2f8dc9f71e560fecdf2f5c5c37cebdc.svg) | (2S,4S,5S)-4-(3,4-Dimethoxyphenyl)-5-[(E)-3-(2,6-dimethoxyphenyl)prop-2-enyl]-2-[(E)-2-(2-methoxyphenyl)ethenyl]-1,3-dioxane | IC50 | 15000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_8054c68595a4e8bebca2bccb8636d404.svg) | (2R,4R,5R)-4-(3,4-Dimethoxyphenyl)-5-[(E)-3-(2,6-dimethoxyphenyl)prop-2-enyl]-2-[(E)-2-(2-methoxyphenyl)ethenyl]-1,3-dioxane | IC50 | 8800.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_872f9da3a4fa90887131aa199694f632.svg) | 5-Methyl-6-oxo-N-(1,3,4-thiadiazol-2-yl)-7H-furo[2,3-f]indole-7-carboxamide | IC50 | 16000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_6b07d9070fe55fa8ba47b3a5be43225f.svg) | (7R)-7-Benzyl-2-bromo-5-ethyl-3-[(4-hydroxyphenyl)methyl]-7,8-dihydroimidazo[2,1-b]purin-4-one | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_4c51bae3fd17f001c74d42386b4dba6e.svg) | 2-Oxo-N-[1-[4-(trifluoromethoxy)phenyl]propyl]-1,3-dihydropyrido[2,3-b]pyrazine-4-carboxamide | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_d0646ebbfafd54790b2d25e6dd654114.svg) | (3-Bromo-4-fluorophenyl)-[(5S)-3,3-difluoro-5-(5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)piperidin-1-yl]methanone | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_3387c2d5f55ee28c3a326295b1a74c78.svg) | 5,8-Dimethyl-2-(2-phenylimidazo[1,2-a]pyrimidin-7-yl)-[1,2,4]triazolo[1,5-a]pyrazine | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_f1d9b8b8aa9b9cfa8dd88a7a07c4c92f.svg) | 5,7-Dimethyl-2-(2-phenylimidazo[1,2-a]pyrimidin-7-yl)-[1,2,4]triazolo[1,5-a]pyrimidine | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_d1fc1f848ea53eafd900450c71a50cde.svg) | 5,8-Dimethyl-2-(2-pyridin-2-ylimidazo[1,2-a]pyrimidin-7-yl)-[1,2,4]triazolo[1,5-a]pyrazine | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_2bc6f6274dceb5526eeadb1a2528b91e.svg) | 2-[2-(Furan-2-yl)-3H-benzimidazol-5-yl]-5,8-dimethyl-[1,2,4]triazolo[1,5-a]pyrazine | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_66966a073e620d829b498f1243105652.svg) | 2-[2-(2-Methoxyphenyl)-3H-benzimidazol-5-yl]-5,8-dimethyl-[1,2,4]triazolo[1,5-a]pyrazine | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_50e13728a61cf3283b947c013912dcad.svg) | 5,8-Dimethyl-2-(2-pyridin-3-yl-3H-benzimidazol-5-yl)-[1,2,4]triazolo[1,5-a]pyrazine | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_543bcd41186eadf370bc11a5dc62a1fb.svg) | 2-[7-(5,8-Dimethyl-[1,2,4]triazolo[1,5-a]pyrazin-2-yl)imidazo[1,2-a]pyrimidin-2-yl]-1,3-thiazole | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_74a3c96067b230075259e99ca24fc578.svg) | 2-[2-(3-Bromophenyl)-3H-benzimidazol-5-yl]-5,8-dimethyl-[1,2,4]triazolo[1,5-a]pyrazine | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_e22087c8dad5851b55fd0f4631f1ac18.svg) | 5,8-Dimethyl-2-(2-pyridin-2-yl-3H-benzimidazol-5-yl)-[1,2,4]triazolo[1,5-a]pyrazine | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_97964c9f61bf340533f5357b30420374.svg) | 2-[2-(5-Chlorothiophen-2-yl)-3H-benzimidazol-5-yl]-5,8-dimethyl-[1,2,4]triazolo[1,5-a]pyrazine | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_5c2509e92eeafdea24a36726b3e7d84e.svg) | 2-[2-(4-Fluorophenyl)-3H-benzimidazol-5-yl]-5,8-dimethyl-[1,2,4]triazolo[1,5-a]pyrazine | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_b39ba141a59b774309b44c817a64481b.svg) | 5-[6-(5,8-Dimethyl-[1,2,4]triazolo[1,5-a]pyrazin-2-yl)-1H-benzimidazol-2-yl]-1,3-thiazole | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_9cd1d316264eaec98f4e95eaa3013c59.svg) | 2-[2-(2-Methoxyphenyl)imidazo[1,2-a]pyrimidin-7-yl]-5,8-dimethyl-[1,2,4]triazolo[1,5-a]pyrazine | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_8519f2808c715b7db1cf8ec0c32736f9.svg) | 5,7-Dimethyl-2-(2-phenyl-3H-benzimidazol-5-yl)-[1,2,4]triazolo[1,5-a]pyrimidine | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_97c6734af5dc7f5498971b13bf001e0b.svg) | 2-[2-(2-Fluorophenyl)-3H-benzimidazol-5-yl]-5,8-dimethyl-[1,2,4]triazolo[1,5-a]pyrazine | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_7ecbb316c3b397c38b321ed510997623.svg) | (2S,4S,5S)-5-[(E)-3-(2,6-Dimethoxyphenyl)prop-2-enyl]-4-(2-methoxyphenyl)-2-[(E)-2-(2-methoxyphenyl)ethenyl]-1,3-dioxane | IC50 | 10100.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_b161eb93dd3af753faa7b7ee2087cc43.svg) | (2S,4S,5S)-4-(2,6-Dimethoxyphenyl)-5-[(E)-3-(2,6-dimethoxyphenyl)prop-2-enyl]-2-[(E)-2-(2-methoxyphenyl)ethenyl]-1,3-dioxane | IC50 | 5600.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_e6388128ed52c2971c2620d9f7f23abc.svg) | (2S,4S,5S)-4-(2-Methoxyphenyl)-2-[(E)-2-(2-methoxyphenyl)ethenyl]-5-[(E)-3-(2-methoxyphenyl)prop-2-enyl]-1,3-dioxane | IC50 | 6400.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_599078350833ebf282528fd5e21c89b0.svg) | (2R,4R,5R)-5-[(E)-3-(2,6-Dimethoxyphenyl)prop-2-enyl]-4-(2-methoxyphenyl)-2-[(E)-2-(2-methoxyphenyl)ethenyl]-1,3-dioxane | IC50 | 7700.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_fff52f30adc8c6414c5f9c471f500699.svg) | (2R,4R,5R)-4-(2,6-Dimethoxyphenyl)-5-[(E)-3-(2,6-dimethoxyphenyl)prop-2-enyl]-2-[(E)-2-(2-methoxyphenyl)ethenyl]-1,3-dioxane | IC50 | 7800.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_e292f6cb5d81a1ab7c1bf938773ce1b5.svg) | (2R,4R,5R)-4-(2-Methoxyphenyl)-2-[(E)-2-(2-methoxyphenyl)ethenyl]-5-[(E)-3-(2-methoxyphenyl)prop-2-enyl]-1,3-dioxane | IC50 | 6700.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_77e5d7cfa8abd0ee377503627871aacd.svg) | (11R,15S)-5-Anilino-8-methyl-4-[(4-pyridin-2-ylphenyl)methyl]-1,3,4,8,10-pentazatetracyclo[7.6.0.02,6.011,15]pentadeca-2,5,9-trien-7-one | Ki | 6100.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_1002e63882f689cffc0d3fa717610b5a.svg) | (11R,15S)-5-Anilino-8-methyl-4-[(4-phenylphenyl)methyl]-1,3,4,8,10-pentazatetracyclo[7.6.0.02,6.011,15]pentadeca-2,5,9-trien-7-one | Ki | 100000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_ad9e05ce0e6deada9d456463023ac317.svg) | (11R,15S)-5-Anilino-8-methyl-4-[[4-(trifluoromethyl)phenyl]methyl]-1,3,4,8,10-pentazatetracyclo[7.6.0.02,6.011,15]pentadeca-2,5,9-trien-7-one | Ki | 50000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_97a12af5aa5b47cd8c7469d78f7adc37.svg) | (11R,15S)-5-Anilino-8-methyl-4-[[6-(trifluoromethyl)pyridin-3-yl]methyl]-1,3,4,8,10-pentazatetracyclo[7.6.0.02,6.011,15]pentadeca-2,5,9-trien-7-one | Ki | 100000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_a995364f35519b27d67c2c2cbe2e7de3.svg) | 3-Cyclopentyloxy-4-(difluoromethoxy)-N-[(4-methoxyphenyl)methyl]benzamide | IC50 | 100000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_4458925f2e1580f05302a1379fa3c1de.svg) | (1R,4As,6aR,6aS,6bR,8aR,10S,11R,12aR,14bS)-11-hydroxy-10-[(E)-3-(4-hydroxyphenyl)prop-2-enoyl]oxy-1,6a,6b,9,9,12a-hexamethyl-2-methylidene-1,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydropicene-4a-carboxylic acid | IC50 | 4830.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_0ecae9752c837ab199b542b4d4056d86.svg) | 8-Bromo-1-(6-fluoropyridin-3-yl)-6-methoxy-3,4-dimethylimidazo[1,5-a]quinoxaline | IC50 | 1000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_8a18771a85cecc68fa83c50be4917d45.svg) | 1,8-Bis(6-fluoropyridin-3-yl)-6-methoxy-3,4-dimethylimidazo[1,5-a]quinoxaline | IC50 | 1000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_4d1d9fa8793cd5927b08f3af3803255d.svg) | 8-Bromo-1-(2-fluoropyridin-3-yl)-6-methoxy-3,4-dimethylimidazo[1,5-a]quinoxaline | IC50 | 1000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_7c0c54ebb9c4c49622a6efe494bf31ed.svg) | 6-Methoxy-3,4-dimethyl-1,8-dipyridin-3-ylimidazo[1,5-a]quinoxaline | IC50 | 1000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_3cab69dd9d554142283758bf57e23909.svg) | 8-(6-Fluoropyridin-3-yl)-6-methoxy-3,4-dimethyl-1-pyridin-4-ylimidazo[1,5-a]quinoxaline | IC50 | 1000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_4b8a7656ec4aa8f8a14784798e2376cc.svg) | 8-(6-Fluoropyridin-3-yl)-6-methoxy-3,4-dimethyl-1-pyridin-3-ylimidazo[1,5-a]quinoxaline | IC50 | 1000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-9a_e32d78361b8c3b16320bae8fe53cffd4.svg) | 1-(6-Fluoropyridin-3-yl)-6-methoxy-3,4-dimethyl-8-pyridin-4-ylimidazo[1,5-a]quinoxaline | IC50 | 1000.0 [1] |