3(2H)-Pyridazinone, 6-(4-morpholinyl)-, (1-methyl-2-(4-morpholinyl)ethylidene)hydrazone 6-(4-Morpholinyl)-3(2H)-pyridazinone (1-methyl-2-(4-morpholinyl)ethylidene)hydrazone 90932-07-3 BRN 5621404