1-((2-Dimethylamino)ethyl)-3-phenyl-6(1H)-pyridazinone hydrochloride 2-(2-(Dimethylamino)ethyl)-6-phenyl-3(2H)-pyridazone hydrochloride 3(2H)-Pyridazinone, 2-(2-(dimethylamino)ethyl)-6-phenyl-, hydrochloride 6(1H)-Pyridazinone, 1-(2-(dimethylamino)ethyl)-3-phenyl-, hydrochloride 891-12-3