29242-38-4 3(2H)-Pyridazinone, 4-methyl-2-(2-morpholinoethyl)-6-(m-tolyl)-, hydrochloride 4-Methyl-2-(2-morpholinoethyl)-6-(m-tolyl)-3(2H)-pyridazinone hydrochloride AG 264 Morpholinoethyl-2 methyl-4 (m-tolyl)-6 pyridazone-3 chlorhydrate [French]