98767-49-8

4,5-dichloro-1-phenylpyridazin-6-one

4-chloro-5-(1-methylhydrazino)-2-phenyl-3(2H)-pyridazinone

1-Methyl-5-phenyl-1,5-dihydro-pyrazolo[3,4-d]pyridazin-4-one

1,3-Dimethyl-4-oxo-5-phenyl-4,5-dihydro-1H-pyrrolo[2,3-d]pyridazine-2-carboxylic acid ethyl ester

1,4-Dimethyl-5-oxo-6-phenyl-1,4,5,6-tetrahydro-pyridazino[4,5-c]pyridazine-3,4-dicarboxylic acid diethyl ester

1-Methyl-5-oxo-6-phenyl-1,4,5,6-tetrahydro-pyridazino[4,5-c]pyridazine-3,4-dicarboxylic acid dimethyl ester

3-(4-Bromo-phenylamino)-1-methyl-6-phenyl-1H,6H-pyridazino[4,5-e][1,3,4]thiadiazin-5-one