![Pyridazine,hexahydro-1-(4-nitro-1-naphthalenyl)-2-[[4-(trifluoromethyl)phenyl]acetyl]-](/structure/908273-92-7.png)
Pyridazine,hexahydro-1-(4-nitro-1-naphthalenyl)-2-[[4-(trifluoromethyl)phenyl]acetyl]-
![Pyridazine,hexahydro-1-(4-nitro-1-naphthalenyl)-2-[[4-(trifluoromethyl)phenyl]acetyl]-](/structure/908273-92-7.png)
Pyridazine,hexahydro-1-(4-nitro-1-naphthalenyl)-2-[[4-(trifluoromethyl)phenyl]acetyl]-

![1,2,4-Triazolo[4,3-b]pyridazine,3,6-dimethyl-7-[4-[3-(1-piperidinyl)propoxy]phenyl]-](/structure/862815-25-6.png)
1,2,4-Triazolo[4,3-b]pyridazine,3,6-dimethyl-7-[4-[3-(1-piperidinyl)propoxy]phenyl]-

3,6-Pyridazinedione, 1,2-dihydro-2-methyl-1-phenyl-4-(phenylthio)-

![Tetrazolo[1,5-b]pyridazine, 6-(4-methylphenyl)-](/structure/4765-92-8.png)
![1,2,4-Triazolo[4,3-b]pyridazine,6-(4-chloro-3-methylphenoxy)-3-(trifluoromethyl)-](/structure/73474-92-7.png)
1,2,4-Triazolo[4,3-b]pyridazine,6-(4-chloro-3-methylphenoxy)-3-(trifluoromethyl)-

![Pyrrolo[1,2-b]pyridazine-5,6-dicarboxylic acid,7-(4-fluorophenyl)-2-(4-morpholinyl)-4-phenyl-, diethyl ester](/structure/844874-92-6.png)
![1H-1,2,3-Triazolo[4,5-d]pyridazine-4,7-dione,5,6-dihydro-1-[(4-methoxyphenyl)methyl]-, 4-(phenylhydrazone)](/structure/501368-92-9.png)


1(6H)-Pyridazinebutanoic acid, 3-(3-chlorophenyl)-6-imino-5-methyl-,ethyl ester, monohydrobromide

![3-Pyridazinecarboxamide,N-[4-[[[[5-(1,1-dimethylethyl)-3-isoxazolyl]amino]carbonyl]amino]phenyl]-1,6-dihydro-4-hydroxy-6-oxo-1-[3-(trifluoromethyl)phenyl]-](/structure/852671-25-1.png)

3-Pyridazinecarboxylic acid, 5-ethoxy-6-(1-hydroxyethyl)-, methyl ester

4-Pyridazinecarboxylic acid, 1,4,5,6-tetrahydro-6-oxo-1,5,5-triphenyl-,methyl ester

![2-methyltetrahydro-1H-5,8-ethano[1,2,4]triazolo[1,2-a]pyridazine-1,3(2H)-dione](/structure/54168-25-1.png)
2-methyltetrahydro-1H-5,8-ethano[1,2,4]triazolo[1,2-a]pyridazine-1,3(2H)-dione
![Imidazo[1,2-b]pyridazine,3-ethyl-2-[[2-(6-fluoro-2-pyridinyl)-1H-imidazol-1-yl]methyl]-](/structure/488116-25-2.png)
Imidazo[1,2-b]pyridazine,3-ethyl-2-[[2-(6-fluoro-2-pyridinyl)-1H-imidazol-1-yl]methyl]-

4-Pyridazinecarboxylic acid,6-(4-fluoro-3-methylphenyl)-2,3-dihydro-3-oxo-



Pyridazine, 3,4-bis(4-methoxyphenyl)-6-(2,3,5,6-tetrafluorophenoxy)-
![Pyrido[3,4-d]pyridazine, 1,4-bis(2-phenylethoxy)-, 6-oxide](/structure/63930-92-7.png)

![Pyridazine,3-[5-(3-fluoro-4-methylphenyl)-3-(trifluoromethyl)-1H-1,2,4-triazol-1-yl]-6-(methylsulfonyl)-](/structure/660402-92-6.png)
![Pyrimido[4,5-c]pyridazine-5,7(6H,8H)-dione,6,8-dimethyl-3-(propylamino)-](/structure/501335-25-7.png)
Pyrimido[4,5-c]pyridazine-5,7(6H,8H)-dione,6,8-dimethyl-3-(propylamino)-
![Thieno[3,4-d]pyridazine-1-carboxylic acid,5-[[[3-chloro-1-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)-4-oxo-2-azetidinyl]carbonyl]amino]-3,4-dihydro-4-oxo-3-phenyl-, ethylester](/structure/481705-25-3.png)
![1,4,5,7-tetramethyl-6-phenyl-6H-Pyrrolo[3,4-d]pyridazine](/structure/109450-25-1.png)

6-hydroxy-4-oxo-1-phenyl-1,4-dihydropyridazine-3-carbohydrazide



3-Pyridazinecarboxylic acid, 4-amino-1,6-dihydro-6-oxo-1-phenyl-

![Pyrrolo[1,2-b]pyridazine-3-carboxaldehyde,2-(2-chloro-4-fluorophenyl)-4-(1-methylethyl)-](/structure/139538-92-4.png)
Pyrrolo[1,2-b]pyridazine-3-carboxaldehyde,2-(2-chloro-4-fluorophenyl)-4-(1-methylethyl)-
![1(4H)-Pyridazinecarboxamide,5,6-dihydro-4-phenyl-N,3-bis[4-(trifluoromethyl)phenyl]-](/structure/139991-25-6.png)
1(4H)-Pyridazinecarboxamide,5,6-dihydro-4-phenyl-N,3-bis[4-(trifluoromethyl)phenyl]-