| Member | Definition | Role |
|---|
| 1-(3,4-dimethylphenyl)-4-(4-methyl-1-piperidinyl)phthalazine | | 1-(3,4-dimethylphenyl)-4-(4-methyl-1-piperidinyl)phthalazine |
| 1,3,8-trimethyl-5,10-diphenylpyrimido[1,2]pyrrolo[4,5-b]pyridazine-2,4-dione | | 1,3,8-trimethyl-5,10-diphenylpyrimido[1,2]pyrrolo[4,5-b]pyridazine-2,4-dione |
| 2-(4-nitrophenoxy)-1-[4-(4-phenyl-1-phthalazinyl)-1-piperazinyl]ethanone | | 2-(4-nitrophenoxy)-1-[4-(4-phenyl-1-phthalazinyl)-1-piperazinyl]ethanone |
| 2-[(2,6-dichlorophenyl)methyl]-6-phenyl-5-(1-piperidinyl)-3-pyridazinone | | 2-[(2,6-dichlorophenyl)methyl]-6-phenyl-5-(1-piperidinyl)-3-pyridazinone |
| 2-[(3-chlorophenyl)methyl]-6-phenyl-5-(1-piperidinyl)-3-pyridazinone | | 2-[(3-chlorophenyl)methyl]-6-phenyl-5-(1-piperidinyl)-3-pyridazinone |
| 2-[(4-chlorophenyl)methyl]-6-phenyl-5-(1-piperidinyl)-3-pyridazinone | | 2-[(4-chlorophenyl)methyl]-6-phenyl-5-(1-piperidinyl)-3-pyridazinone |
| 2-[[6-(3,4-dimethoxyphenyl)-3-pyridazinyl]thio]-1-(1-pyrrolidinyl)ethanone | | 2-[[6-(3,4-dimethoxyphenyl)-3-pyridazinyl]thio]-1-(1-pyrrolidinyl)ethanone |
| 2-[[6-(3,4-dimethoxyphenyl)-3-pyridazinyl]thio]-1-(4-morpholinyl)ethanone | | 2-[[6-(3,4-dimethoxyphenyl)-3-pyridazinyl]thio]-1-(4-morpholinyl)ethanone |
| 2-[[6-(4-ethylphenyl)-3-pyridazinyl]thio]-N-(2-oxolanylmethyl)acetamide | | 2-[[6-(4-ethylphenyl)-3-pyridazinyl]thio]-N-(2-oxolanylmethyl)acetamide |
| 2-[2-oxo-2-[4-(4-phenyl-1-phthalazinyl)-1-piperazinyl]ethyl]isoindole-1,3-dione | | 2-[2-oxo-2-[4-(4-phenyl-1-phthalazinyl)-1-piperazinyl]ethyl]isoindole-1,3-dione |
| 2-[4-[[4-(4-methoxyphenyl)-1-phthalazinyl]amino]phenyl]acetamide | | 2-[4-[[4-(4-methoxyphenyl)-1-phthalazinyl]amino]phenyl]acetamide |
| 3-[3-(4-methylphenyl)-6-oxo-1-pyridazinyl]-N-[2-(2-methyl-1-piperidinyl)ethyl]propanamide | | 3-[3-(4-methylphenyl)-6-oxo-1-pyridazinyl]-N-[2-(2-methyl-1-piperidinyl)ethyl]propanamide |
| 3-amino-5-(4-bromophenyl)-4-pyridazinecarbonitrile | | 3-amino-5-(4-bromophenyl)-4-pyridazinecarbonitrile |
| 3-chloro-6-phenyl-[1,2,4]triazolo[4,3-b]pyridazine | | 3-chloro-6-phenyl-[1,2,4]triazolo[4,3-b]pyridazine |
| 3-oxido-4,5-dihydro-[1,2,5]oxadiazolo[3,4-f]cinnolin-3-ium | | 3-oxido-4,5-dihydro-[1,2,5]oxadiazolo[3,4-f]cinnolin-3-ium |
| 3-phenyl-1H-cinnolin-4-one | | 3-phenyl-1H-cinnolin-4-one |
| 4-(2,4-dimethylphenyl)-2H-phthalazin-1-one | | 4-(2,4-dimethylphenyl)-2H-phthalazin-1-one |
| 4-(3-bromophenyl)-2-(4-bromophenyl)-7-methylpyrazolo[3,4-d]pyridazine | | 4-(3-bromophenyl)-2-(4-bromophenyl)-7-methylpyrazolo[3,4-d]pyridazine |
| 4-(3-bromophenyl)-7-methyl-2-(4-methylphenyl)pyrazolo[3,4-d]pyridazine | | 4-(3-bromophenyl)-7-methyl-2-(4-methylphenyl)pyrazolo[3,4-d]pyridazine |
| 4-(4-hydroxy-3,5-dimethylphenyl)-2-methylphthalazin-1(2H)-one | | 4-(4-hydroxy-3,5-dimethylphenyl)-2-methylphthalazin-1(2H)-one |
| 4-[6-amino-3-(4-methoxyphenyl)-1-pyridazin-1-iumyl]butanoic acid | | 4-[6-amino-3-(4-methoxyphenyl)-1-pyridazin-1-iumyl]butanoic acid |
| 4,5-diphenyl-2,3-dihydro-1H-pyrazolo[3,4-c]pyridazin-3-one | | 4,5-diphenyl-2,3-dihydro-1H-pyrazolo[3,4-c]pyridazin-3-one |
| 5-Methyl-6-(2-thienyl)-2,3,4,5-tetrahydropyridazin-3-one | | 5-Methyl-6-(2-thienyl)-2,3,4,5-tetrahydropyridazin-3-one |
| 6-(4-ethylphenyl)-3-(methylthio)-[1,2,4]triazolo[4,3-b]pyridazine | | 6-(4-ethylphenyl)-3-(methylthio)-[1,2,4]triazolo[4,3-b]pyridazine |
| 6-phenyl-4,5-dihydro-3(2h)-pyridazinone | | 6-Phenyl-2,3,4,5-tetrahydropyridazin-3-one |
| 6-phenyl-5-(1-piperidinyl)-2-prop-2-enyl-3-pyridazinone | | 6-phenyl-5-(1-piperidinyl)-2-prop-2-enyl-3-pyridazinone |
| cep 26401 | | irdabisant |
| cl 218872 | | 3-methyl-6-[3-(trifluoromethyl)phenyl]-[1,2,4]triazolo[4,3-b]pyridazine |
| gsk 2126458 | A member of the class of quinolines that is quinoline which is substituted by pyridazin-4-yl and 5-[(2,4-difluorobenzene-1-sulfonyl)amino]-6-methoxypyridin-3-yl groups at positions 4 and 6, respectively. It is a highly potent inhibitor of PI3K and mTOR developed by GlaxoSmithKline and was previously in human phase 1 clinical trials for the treatment of idiopathic pulmonary fibrosis and solid tumors. | omipalisib |
| ly2784544 | | Gandotinib |
| minaprine | | minaprine |
| my 5445 | | N-(3-chlorophenyl)-4-phenyl-1-phthalazinamine |
| N-(3,4-dichlorophenyl)-2-[4-(4-methoxyphenyl)-1-oxo-2-phthalazinyl]acetamide | | N-(3,4-dichlorophenyl)-2-[4-(4-methoxyphenyl)-1-oxo-2-phthalazinyl]acetamide |
| n-(4-methylthiazol-2-yl)-2-(6-phenylpyridazin-3-ylthio)acetamide | | N-(4-methyl-2-thiazolyl)-2-[(6-phenyl-3-pyridazinyl)thio]acetamide |
| N-(5-methyl-3-isoxazolyl)-2-[[6-(4-methylphenyl)-3-pyridazinyl]thio]acetamide | | N-(5-methyl-3-isoxazolyl)-2-[[6-(4-methylphenyl)-3-pyridazinyl]thio]acetamide |
| N-[2-(dimethylamino)ethyl]-2-[3-(4-methylphenyl)-6-oxo-1-pyridazinyl]acetamide | | N-[2-(dimethylamino)ethyl]-2-[3-(4-methylphenyl)-6-oxo-1-pyridazinyl]acetamide |
| N-[2-methoxy-5-(3-methyl-4-oxo-1-phthalazinyl)phenyl]-2-(4-methylphenoxy)acetamide | | N-[2-methoxy-5-(3-methyl-4-oxo-1-phthalazinyl)phenyl]-2-(4-methylphenoxy)acetamide |
| N-[3-[6-(1-azepanyl)-3-pyridazinyl]phenyl]-4-methylbenzenesulfonamide | | N-[3-[6-(1-azepanyl)-3-pyridazinyl]phenyl]-4-methylbenzenesulfonamide |
| N-[4-([1,2,4]triazolo[4,3-b]pyridazin-6-yl)phenyl]cyclohexanecarboxamide | | N-[4-([1,2,4]triazolo[4,3-b]pyridazin-6-yl)phenyl]cyclohexanecarboxamide |
| N-cyclohexyl-2-[[6-(4-ethoxyphenyl)-3-pyridazinyl]thio]acetamide | | N-cyclohexyl-2-[[6-(4-ethoxyphenyl)-3-pyridazinyl]thio]acetamide |
| N,N-dimethyl-6-phenyl-3-pyridazinamine | | N,N-dimethyl-6-phenyl-3-pyridazinamine |
| pyridazine | | pyridazine |
| sulfachlorpyridazine | A sulfonamide antimicrobial used for urinary tract infections and in veterinary medicine. | sulfachloropyridazine |
| sulfamethoxypyridazine | A sulfonamide consisting of pyridazine having a methoxy substituent at the 6-position and a 4-aminobenzenesulfonamido group at the 3-position. | sulfamethoxypyridazine |