3(2H)-Pyridazinone, 4,5-dihydro-6-(4-(1H-imidazol-1-yl)phenyl)-5-methyl-, monohydrochloride 4,5-Dihydro-6-(4-(1H-imidazol-1-yl)phenyl)-5-methyl-3(2H)-pyridazinone monohydrochloride 86798-59-6 90791-23-4 CI 930 hydrochloride