![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_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-1b_abc2fbdd1db8b3b762d4979d370c9aa5.svg) | 1-[(1S)-6-Chloro-2,3-dihydro-1H-inden-1-yl]-5,6-dimethoxyisoquinoline | IC50 | 2.4 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_856b9aabbb73de5e4ee60108a0d339df.svg) | Vinpocetine | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_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 | 460.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_e6ca044946a4d12c3099afd6e3fdefaa.svg) | 3-[4-(2-Hydroxyethyl)piperazin-1-yl]-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-1b_b892462b277acb6c79a58e69517da542.svg) | Unii-7eis09YY11 | IC50 | 30000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_d114626bce328eb0ed80adc0b8425f89.svg) | 3-Benzyl-5-methyl-2-[(4-phenylphenyl)methyl]spiro[8H-imidazo[2,1-b]purine-7,1'-cyclopentane]-4-one | IC50 | 48.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_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-1b_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-1b_2cb0809d99bd4e90be0b5e5dec8ec77f.svg) | 3-Phenyl-2-(propylthio)-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one | IC50 | 100000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_5d359dd60744ef1e1a81c5ab9be56846.svg) | 3-Phenyl-[1,3,5]triazino[2,1-b][1,3]benzothiazole-2,4-dione | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_9218a537762d08f0156ac97b141edcf5.svg) | 5-(1h-Benzimidazol-2-Ylmethylsulfanyl)-2-Methyl-[1,2,4]triazolo[1,5-C]quinazoline | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_bbec27f8e8c6463e6025564bfa3c8eaf.svg) | 6-(3,4-Dimethoxyphenyl)-3-(2-methoxyphenyl)-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazine | IC50 | 50000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_4bd4116bdb52967877c5df16bc89db7f.svg) | 4-[[1-(2-Chlorophenyl)-4-methyl-[1,2,4]triazolo[4,3-a]quinoxalin-8-yl]methyl]morpholine | IC50 | 4900.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_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 | 3981.07 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_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-1b_b5078dafc0d4efabf40e62c5fc7ace62.svg) | N,N-Diethyl-3-methyl-1-(2-methylphenyl)-6-thiophen-2-ylpyrazolo[3,4-b]pyridine-4-carboxamide | IC50 | 100000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_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-1b_f2073281b0fc0182c68f223ce04b0059.svg) | 2,9-Dimethyl-5-(2-(1-methyl-4-phenyl-1H-imidazol-2-yl)ethyl)pyrazolo[1,5-c]quinazoline | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_7f343f149e1d8a1ac05f3b50b0850307.svg) | [1-(3-{[1-(Quinolin-2-Yl)azetidin-3-Yl]oxy}pyrazin-2-Yl)piperidin-4-Yl]methanol | IC50 | 8040.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_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-1b_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 | IC50 | 0.06 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_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-1b_ec92ca0ad0d1c4e5903162f7e1ddbdd2.svg) | 8-[(4-Chlorophenyl)methyl]-13-methyl-10-thia-3,5,6,8,13-pentazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,11(16)-tetraen-7-one | IC50 | 1000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_8130a6e12811a2bf2f2771a31aef70fb.svg) | 8-[(4-Chlorophenyl)methyl]-13-(cyclopropylmethyl)-10-thia-3,5,6,8,13-pentazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,11(16)-tetraen-7-one | IC50 | 210.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_8836c78413d0e1647733d346f875254d.svg) | 8-[(4-Chlorophenyl)methyl]-13-(oxetan-3-yl)-10-thia-3,5,6,8,13-pentazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,11(16)-tetraen-7-one | IC50 | 150.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_b951261ab9435bce07d34ae9df160ec6.svg) | 8-[(4-Chloro-2-fluorophenyl)methyl]-13-(oxan-4-ylmethyl)-10-thia-3,5,6,8,13-pentazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,11(16)-tetraen-7-one | IC50 | 31.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_67e0945183b36fad84d1ca776330b5e6.svg) | 8-[(4-Chlorophenyl)methyl]-13-(cyclopropanecarbonyl)-10-thia-3,5,6,8,13-pentazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,11(16)-tetraen-7-one | IC50 | 53.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_c0dbcbdd4afb6e9c9eae7868a858ea0d.svg) | 13-(2,2-Difluorocyclopropanecarbonyl)-8-[(4-methoxyphenyl)methyl]-10-thia-3,5,6,8,13-pentazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,11(16)-tetraen-7-one | IC50 | 11.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_3ba5e7966ef3f25e30e372ab18051c2b.svg) | 4-[(1S)-6-Chloro-2,3-dihydro-1H-inden-1-yl]-7,8-dimethoxyquinazoline | IC50 | 4.5 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_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 | 2629.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_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-1b_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-1b_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-1b_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-1b_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-1b_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-1b_e32d78361b8c3b16320bae8fe53cffd4.svg) | 1-(6-Fluoropyridin-3-yl)-6-methoxy-3,4-dimethyl-8-pyridin-4-ylimidazo[1,5-a]quinoxaline | IC50 | 1000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_bcd726e4900804209d351408917d0d64.svg) | 1-(6-Fluoropyridin-3-yl)-6-methoxy-3,4-dimethyl-8-pyridin-3-ylimidazo[1,5-a]quinoxaline | IC50 | 1000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_cacbfc34e7a6e240a44ad75d26663ae4.svg) | 1-(2-Fluoropyridin-3-yl)-6-methoxy-3,4-dimethyl-8-pyridin-3-ylimidazo[1,5-a]quinoxaline | IC50 | 1000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_5a79215ec75226212a72aa38c86c96c7.svg) | PDE5 Inhibitor C2 | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_fc6d77560bbc5fda2fdfabea982b1bfc.svg) | 5-(3-Chlorobenzyl)-3-isopropyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one | IC50 | 38.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_ba3b83a17b9eada932b3e34ee501dfdb.svg) | N-[(1R,2S)-2-[(7-Oxo-3-propan-2-yl-2,6-dihydropyrazolo[4,3-d]pyrimidin-5-yl)methyl]cyclohexyl]-2-pyrrolidin-1-ylacetamide | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_6e6f5372a9b65fbf4ad1f0806abab247.svg) | 3-Isopropyl-5-(2-(2-morpholinoethoxy)benzyl)-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one | IC50 | 4950.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_393fc8b8b95f6a387953c3cf4f5852aa.svg) | 3-Isopropyl-5-(2-(trifluoromethoxy)benzyl)-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one | IC50 | 2650.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_12abe747b740dd7f4d003c3de0de5c90.svg) | (2R)-2-[(1-Cyclopentyl-4-oxo-5H-pyrazolo[3,4-d]pyrimidin-6-yl)amino]-N-(4-methoxyphenyl)propanamide | IC50 | 473.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_f7ab948fb9e059fc345e6731d72139d5.svg) | 5-(2-(Benzyloxy)benzyl)-3-isopropyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one | IC50 | 2630.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_2394629c929d877d873cd7be1c96675b.svg) | 3-Propan-2-yl-5-[[(1S,2R)-2-(pyrimidin-2-ylamino)cyclohexyl]methyl]-2,6-dihydropyrazolo[4,3-d]pyrimidin-7-one | IC50 | 9800.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_02b3b29f26115154c99d806a7857e4bf.svg) | 1-Methyl-5-[[2-(2-morpholin-4-ylethoxy)phenyl]methyl]-3-propan-2-yl-6H-pyrazolo[4,3-d]pyrimidin-7-one | IC50 | 7810.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_3673b756777ffd69c5e760eb9c5dbc94.svg) | 5-[[(1S,2R)-2-(2-Morpholin-4-ylethoxy)cyclohexyl]methyl]-3-propan-2-yl-2,6-dihydropyrazolo[4,3-d]pyrimidin-7-one | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_ed128b243f01d8d8161e579e85ae1d9f.svg) | 2-(Oxan-4-yl)-N-[(1R,2S)-2-[(7-oxo-3-propan-2-yl-2,6-dihydropyrazolo[4,3-d]pyrimidin-5-yl)methyl]cyclohexyl]acetamide | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_81002de34881ba142335a9133c638e2f.svg) | 1-(3-Morpholin-4-ylpropyl)-3-[(1R,2S)-2-[(7-oxo-3-propan-2-yl-2,6-dihydropyrazolo[4,3-d]pyrimidin-5-yl)methyl]cyclohexyl]urea | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_1d5f1bcc08acfcf2fa21ae3e4d4b9e1d.svg) | 5-[[(1S,2R)-2-[(6-Methylpyridazin-3-yl)amino]cyclohexyl]methyl]-3-propan-2-yl-2,6-dihydropyrazolo[4,3-d]pyrimidin-7-one | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_dca654c5d156e3ddadab9bbd175bb22b.svg) | 2-[[(1R,2S)-2-[(7-Oxo-3-propan-2-yl-2,6-dihydropyrazolo[4,3-d]pyrimidin-5-yl)methyl]cyclohexyl]amino]-4-(trifluoromethyl)pyrimidine-5-carboxylic acid | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_b696ef179e11aac01fb71111b0bba9e2.svg) | (2S)-2-[(1-Cyclopentyl-4-oxo-5H-pyrazolo[3,4-d]pyrimidin-6-yl)amino]-N-(4-methoxyphenyl)propanamide | IC50 | 2300.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_efd7006bcd69cb56093b23a0a1c2da2e.svg) | (2R)-2-[[1-(2-Chlorophenyl)-4-oxo-5H-pyrazolo[3,4-d]pyrimidin-6-yl]amino]-N-(4-methoxyphenyl)propanamide | IC50 | 1900.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_1f112b9561946f31ed587aec56168da3.svg) | (2S)-2-[[1-(2-Chlorophenyl)-4-oxo-5H-pyrazolo[3,4-d]pyrimidin-6-yl]amino]-N-(4-methoxyphenyl)propanamide | IC50 | 18000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_8dc8f1223b5a7090a4a683bd438aecfb.svg) | 2-[[1-(2-Chlorophenyl)-4-oxo-5H-pyrazolo[3,4-d]pyrimidin-6-yl]amino]-N-(4-methoxyphenyl)propanamide | IC50 | 18000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_4610f1e0f09ca8685c5981d609d1d455.svg) | 8-Benzyl-13-(oxan-4-ylmethyl)-10-thia-3,5,6,8,13-pentazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,11(16)-tetraen-7-one | IC50 | 150.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_c75ba846aa1261f2e59a961a40b93ec9.svg) | Pde5-IN-2 | IC50 | 32000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_13540fb0b4ea87a84646f5c849c6442f.svg) | 7,8-Dimethoxy-N-[(2R)-1-(5-methyl-1H-pyrazol-3-yl)propan-2-yl]quinazolin-4-amine | IC50 | 596.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_8aa15a1a84bbcf12fd1cd8278dc97b62.svg) | 6,7-Dimethoxy-N-[1-(5-methyl-1H-pyrazol-3-yl)propan-2-yl]quinazolin-4-amine | IC50 | 52.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_3a66e21f6d53007c06722c77e47e560e.svg) | 6,7,8-Trimethoxy-N-[1-(5-methyl-1H-pyrazol-3-yl)propan-2-yl]quinazolin-4-amine | IC50 | 27.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_4d4f87c0ae8b861621c8ae2be18fca56.svg) | 7-(4-Fluorophenyl)-N-(2-methylphenyl)-5-phenyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine | IC50 | 100000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_1829c26e901befae80ab926812fac128.svg) | 2-Methoxy-6,7-Dimethyl-9-(4-Methylpyridin-3-Yl)imidazo[1,5-A]pyrido[3,2-E]pyrazine | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_fc80f2db536c6377f4f5538f1ac8185d.svg) | 3-(2,5-Dichlorophenyl)-12-methoxy-5,7-dimethyl-2,4,8,13-tetrazatricyclo[7.4.0.02,6]trideca-1(9),3,5,7,10,12-hexaene | IC50 | 1000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_40d200e514011557c742f6102f5bbaf5.svg) | 12-Methoxy-5,7-dimethyl-3-(2-methylphenyl)-2,4,8,13-tetrazatricyclo[7.4.0.02,6]trideca-1(9),3,5,7,10,12-hexaene | IC50 | 5000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_398ea05987396c273429bf9cd7d3e0d6.svg) | 3-(12-Methoxy-5,7-dimethyl-2,4,8,13-tetrazatricyclo[7.4.0.02,6]trideca-1(9),3,5,7,10,12-hexaen-3-yl)benzamide | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_1ccd9f9b9b0eb18aba807c4012cebb44.svg) | 12-Methoxy-5,7-dimethyl-3-(3-methylthiophen-2-yl)-2,4,8,13-tetrazatricyclo[7.4.0.02,6]trideca-1(9),3,5,7,10,12-hexaene | IC50 | 5000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_646abc667f67a2add81afe6998029524.svg) | 8-Fluoro-6-Methoxy-3,4-Dimethyl-1-(3-Methylpyridin-4-Yl)imidazo[1,5-A]quinoxaline | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_25f95954ed5d3e590c9a5cc38c4e7316.svg) | 8-Fluoro-6-methoxy-3,4-dimethyl-1-(2-methylpyridin-3-yl)imidazo[1,5-a]quinoxaline | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_825f82f247dbcaaf6d50d9bdb7c4459e.svg) | 6,8-Dimethoxy-3,4-dimethyl-1-(4-methylpyridin-3-yl)imidazo[1,5-a]quinoxaline | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_b58cdfecb87664712d3d6f5759794f6a.svg) | 6,8-Dimethoxy-3,4-dimethyl-1-(2-methylpyridin-3-yl)imidazo[1,5-a]quinoxaline | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_8d89afccd3c4f1397de4507080a05496.svg) | Chembl4127641 | IC50 | 21.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_8f96a6cd0e543ca2f912caf191697d4a.svg) | 6,7,8-Trimethoxy-N-(Pentan-3-Yl)quinazolin-4-Amine | IC50 | 35.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_b849e7a1c8f095f2ec8e83ac9fd26c5a.svg) | 6-Chloro-3,4-Dimethyl-1-(3-Methylpyridin-4-Yl)-8-(Trifluoromethyl)imidazo[1,5-A]quinoxaline | IC50 | 1000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_e9cd36249599b535e97403eb3b9c9bf3.svg) | 6-Methoxy-3,4-dimethyl-1-(3-methylpyridin-4-yl)-8-(trifluoromethyl)imidazo[1,5-a]quinoxaline | IC50 | 500.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_76c9a8bc83ce586183657893fd0359ec.svg) | 6-Chloro-8-methoxy-3,4-dimethyl-1-(3-methylpyridin-4-yl)imidazo[1,5-a]quinoxaline | IC50 | 1000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_5d000f011c5758a5ce5d696e189a1e5c.svg) | 1-[4-[3-(1-Quinolin-2-ylazetidin-3-yl)oxypyrazin-2-yl]piperidin-1-yl]ethanone | IC50 | 30000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_22e041dde6d177c1dcb2317cdf84c8a9.svg) | 6-[3-(1-Quinolin-2-ylazetidin-3-yl)oxypyrazin-2-yl]quinazolin-2-amine | IC50 | 503.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_b673c82a26968654bc65b4676d5862bf.svg) | 3-(2-Chloro-4-fluorophenyl)-12-methoxy-5,7-dimethyl-2,4,8,13-tetrazatricyclo[7.4.0.02,6]trideca-1(9),3,5,7,10,12-hexaene | IC50 | 1000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_7fe40cd780938bbf3fdedb54a348ac5d.svg) | 12-Methoxy-5,7-dimethyl-3-(1,3,5-trimethylpyrazol-4-yl)-2,4,8,13-tetrazatricyclo[7.4.0.02,6]trideca-1(9),3,5,7,10,12-hexaene | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_92db31d597f9f9d67135110e56e92eec.svg) | 5-(12-Methoxy-5,7-dimethyl-2,4,8,13-tetrazatricyclo[7.4.0.02,6]trideca-1(9),3,5,7,10,12-hexaen-3-yl)-2,4-dimethyl-1,3-thiazole | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_edd365994ba859a54c97a721298d582b.svg) | 3,4-Dimethyl-1-(3-methylpyridin-4-yl)-8-(trifluoromethoxy)imidazo[1,5-a]quinoxaline | IC50 | 5000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_a6817d341f58d30ad4e0afd666a799e2.svg) | 3,4-Dimethyl-1-(3-methylpyridin-4-yl)-8-(trifluoromethyl)imidazo[1,5-a]quinoxaline | IC50 | 5000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_b5f2229c8c49d963de94302659504e91.svg) | 1-[(2-Chloro-6-fluorophenyl)methyl]-N-[4-(diethylamino)phenyl]-4,6-dioxo-5H-1,5-naphthyridine-3-carboxamide | IC50 | 5000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_9295d8bd18a6036676fd81bc696d123e.svg) | 1-[(2-Chloro-6-fluorophenyl)methyl]-N-(4-morpholin-4-ylphenyl)-4,6-dioxo-5H-1,5-naphthyridine-3-carboxamide | IC50 | 1000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_271c868945625ab7f1dd5a14b94b53ba.svg) | 8-[(4-Hydroxycyclohexyl)amino]-3-(6-methoxypyridin-3-yl)-5-(2-propoxyethyl)pyrimido[5,4-c]pyridazin-6-one | IC50 | 2000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_a5ee345bb9d51e1b38ec0bc105037e4d.svg) | [1-[4-(1-Quinolin-2-ylazetidin-3-yl)oxypyridin-3-yl]piperidin-4-yl]methanol | IC50 | 30000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_80f51ed08317022a32c154d64cf92c3d.svg) | 1-[4-(3-{[1-(Quinolin-2-Yl)azetidin-3-Yl]oxy}quinoxalin-2-Yl)piperidin-1-Yl]ethanone | IC50 | 3680.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_b79455af417c6d6c28ab632849b783b5.svg) | [1-[3-(1-Quinolin-2-ylpiperidin-4-yl)oxypyrazin-2-yl]piperidin-4-yl]methanol | IC50 | 7920.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_870cbd35bb76977a49442614fca024ff.svg) | [1-[3-(1-Quinolin-2-ylazetidin-3-yl)oxyquinoxalin-2-yl]piperidin-4-yl]methanol | IC50 | 7610.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_1c802986dd8f6b9ef93debf5c039e52e.svg) | 4-[3-[1-(2-Methoxyethyl)pyrazol-4-yl]imidazo[1,2-a]pyrazin-8-yl]morpholine | IC50 | 10000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_b7c66e8f91043fe3c560418a1ca7aa2b.svg) | 4-[3-(3,4,5-Trimethoxyphenyl)imidazo[1,2-a]pyrazin-8-yl]morpholine | IC50 | 2511.89 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_2aad6ec21a1913aa8142d9ff5f9378ae.svg) | 2-Ethyl-2-{[4-(Methylamino)-6-(1h-1,2,4-Triazol-1-Yl)-1,3,5-Triazin-2-Yl]amino}butanenitrile | IC50 | 1000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_1f1db3fc1f05e5f3c85d86c37dd527c4.svg) | 8-[(4-Chlorophenyl)methyl]-13-(oxan-4-ylmethyl)-10-thia-3,5,6,8,13-pentazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,11(16)-tetraen-7-one | IC50 | 41.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_748c9afad21a9bba7ecaee95f2625269.svg) | 15,15-Difluoro-8-[(4-methoxyphenyl)methyl]-13-(oxan-4-ylmethyl)-10-thia-3,5,6,8,13-pentazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,11(16)-tetraen-7-one | IC50 | 3.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_91815be8867b069f28106229adcf8711.svg) | 8-[(2-Fluoro-4-methoxyphenyl)methyl]-13-(oxan-4-ylmethyl)-10-thia-3,5,6,8,13-pentazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,11(16)-tetraen-7-one | IC50 | 26.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_65c9d1edcabc65b5c477ce6a5ab1b933.svg) | 8-[(4-Methoxyphenyl)methyl]-13-(oxan-4-ylmethyl)-10-thia-3,5,6,8,13-pentazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,11(16)-tetraen-7-one | IC50 | 27.0 [1] |
![](https://images.aatbio.com/dataset/ic50/phosphodiesterase-1b_1d61fcbb3bb7c6a217a3b5d39047a54d.svg) | 7,8-Dimethoxy-N-[(2s)-1-(3-Methyl-1h-Pyrazol-5-Yl)propan-2-Yl]quinazolin-4-Amine | IC50 | 9.1 [1] |