7-Chloro-4H-pyrimido[1,2-b]pyridazin-4-one
6-Methylpyridazin-3(2H)-one Hydrobromide
4-(Trifluoromethyl)-2,5,6,7-tetrahydro-3H-cyclopenta[c]pyridazin-3-one
5-Iodo-2,3-dihydropyridazin-3-one
6-(Pyridin-2-yl)pyridazin-3(2H)-one
6-Methyl-4,5-dihydropyridazin-3(2H)-one
5-(Trifluoromethyl)pyridazin-3(2H)-one
4,5-Dichloro-2-(tetrahydro-2H-pyran-2-yl)pyridazin-3(2H)-one
6-(Pyridin-4-yl)pyridazin-3(2H)-one
4,5-Dichloro-2-phenylpyridazin-3(2H)-one
Pyrido[2,3-d]pyridazin-8(7H)-one
4-Methoxypyridazin-3(2H)-one
6-Chloro-2-methylpyridazin-3(2H)-one
4,5-Dichloro-2-methylpyridazin-3(2H)-one
(R)-6-(4-Aminophenyl)-5-methyl-4,5-dihydropyridazin-3(2H)-one
5-Chloropyrido[2,3-d]pyridazin-8(7H)-one
5,6-Dichloropyridazin-3(2H)-one
6,7-Dihydro-2H-cyclopenta[c]pyridazin-3(5H)-one
6-Acetylpyridazin-3(2H)-one
4,5-Dichloro-2-(m-tolyl)pyridazin-3(2H)-one
