3(2H)-Pyridazinone, 6-(1H-imidazol-1-yl)-, hydrazone, dihydrochloride 3-Hydrazino-6-(1-imidazolyl)pyridazine dihydrochloride Pyridazine, 3-hydrazino-6-(1-imidazolyl)-, dihydrochloride UR6042000