3(2H)-Pyridazinone, 6-ethoxy-4-((3-(4-morpholinyl)propyl)amino)-2-phenyl-, monohydrochloride,hemihydrate 6-Ethoxy-4-((3-(4-morpholinyl)propyl)amino)-2-phenyl-3(2H)-pyridazinone hydrochloride 1/2H2O UR6493300