![2H-Indeno[1,2-c]pyridazine,acetamide deriv.](/structure/103422-54-4.png)
![2H-Indeno[1,2-c]pyridazine,acetamide deriv.](/structure/103422-54-4.png)

4-Pyridazinecarboxylic acid, 5-(2-phenylethenyl)-, ethyl ester, (E)-

4-Pyridazinecarboxamide,3-chloro-N-(4-chloro-3-nitrophenyl)-6-methyl-5-(4-nitrophenyl)-

Pyridazine,1-(aminoacetyl)-3-(3-ethoxy-4-methoxyphenyl)-1,4,5,6-tetrahydro-


3-chloro-4-(1-chloro-2-methylpropan-2-yl)-6-(4-chlorophenoxy)pyridazine

![1H-Imidazo[4,5-d]pyridazine-4,7-dione, 2-butyl-5,6-dihydro-](/structure/140199-54-8.png)
![2,4-DIMETHYL-5-PHENYLIMIDAZO[1,5-B]PYRIDAZINE-7-THIOL](/structure/54221-54-4.png)
![3-Pyridazinecarboxamide,N-(3,4-dichlorophenyl)-6-[4-[2-(trifluoromethyl)benzoyl]-1-piperazinyl]-](/structure/840492-54-8.png)
3-Pyridazinecarboxamide,N-(3,4-dichlorophenyl)-6-[4-[2-(trifluoromethyl)benzoyl]-1-piperazinyl]-
![3-[(4-fluorobenzyl)sulfanyl]-6-propoxypyridazine](/structure/5273-54-1.png)
![6-Chloro-3-(2,5-difluorophenyl)-7-(1,1-dimethylethyl)-1,2,4-triazolo[4,3-β]pyridazine](/structure/286456-54-0.png)
6-Chloro-3-(2,5-difluorophenyl)-7-(1,1-dimethylethyl)-1,2,4-triazolo[4,3-β]pyridazine



![6H-Pyrrolo[3,4-d]pyridazine-1-butanoic acid,6-(4-ethoxyphenyl)-4,5,7-trimethyl-, potassium salt](/structure/647845-54-3.png)
6H-Pyrrolo[3,4-d]pyridazine-1-butanoic acid,6-(4-ethoxyphenyl)-4,5,7-trimethyl-, potassium salt

![5H-Cyclohepta[c]pyridazine,3-[3-fluoro-2-(trifluoromethyl)phenyl]-6,7,8,9-tetrahydro-](/structure/918873-54-8.png)
5H-Cyclohepta[c]pyridazine,3-[3-fluoro-2-(trifluoromethyl)phenyl]-6,7,8,9-tetrahydro-
![1,2,4-Triazolo[4,3-b]pyridazine,6-(3,5-dimethyl-1-piperidinyl)-3-(6-methoxy-2-pyridinyl)-](/structure/596824-54-3.png)
1,2,4-Triazolo[4,3-b]pyridazine,6-(3,5-dimethyl-1-piperidinyl)-3-(6-methoxy-2-pyridinyl)-
![1,2,4-Triazolo[4,3-b]pyridazine, 6-chloro-3-(3-ethylphenyl)-](/structure/596825-54-6.png)
1,2,4-Triazolo[4,3-b]pyridazine, 6-chloro-3-(3-ethylphenyl)-

![6-(4-chlorophenyl)-8-phenyl[1,2,4]triazolo[4,3-b]pyridazine](/structure/130187-54-1.png)
![Tetrazolo[1,5-b]pyridazine, 8-methyl-6-(2-thienyl)-](/structure/93126-54-6.png)

1(6H)-pyridazinebutanoic acid, 3,4-bis(4-chlorophenyl)-5-cyano-6-oxo-
![1(2H)-Pyridazinecarboxylic acid,2-[[(4-bromophenyl)amino]thioxomethyl]tetrahydro-, ethyl ester](/structure/59925-54-1.png)
1(2H)-Pyridazinecarboxylic acid,2-[[(4-bromophenyl)amino]thioxomethyl]tetrahydro-, ethyl ester


4-Pyridazinecarboxylic acid, 2,3,4,5-tetrahydro-6-methyl-2-phenyl-, ethylester
![8-Isopropyl-2,6-Dimethylimidazo[1,2-B]pyridazine](/structure/912331-54-5.png)
![6-(4-chlorophenyl)-3-[4-(3-chlorophenyl)piperazin-1-yl]-4-phenylpyridazine](/structure/190776-54-6.png)
6-(4-chlorophenyl)-3-[4-(3-chlorophenyl)piperazin-1-yl]-4-phenylpyridazine


3-Pyridazinecarboxamide,N-(4-bromophenyl)-1-(2-chlorophenyl)-1,4,5,6-tetrahydro-6-phenyl-
![4-Pyridazinemethanol,3-[(1,1-dimethylethyl)sulfinyl]-6-methoxy-a-phenyl-](/structure/209848-54-4.png)
4-Pyridazinemethanol,3-[(1,1-dimethylethyl)sulfinyl]-6-methoxy-a-phenyl-

![2-phenyltetrahydro-1H-[1,2,4]triazolo[1,2-a]pyridazine-1,3(2H)-dithione](/structure/61653-54-1.png)
2-phenyltetrahydro-1H-[1,2,4]triazolo[1,2-a]pyridazine-1,3(2H)-dithione

![1H-Pyrazolo[1,2-a]pyridazine-2-carboxylic acid,5-(acetyloxy)-5,8-dihydro-3-methyl-1-oxo-, ethyl ester](/structure/848151-54-2.png)