13299-99-5 3(2H)-Pyridazinone, 6-(m-methoxyphenyl)-4-methyl-2-(2-morpholinoethyl)-, hydrochloride 6-(m-Methoxyphenyl)-4-methyl-2-(2-morpholinoethyl)-3(2H)-pyridazinone hydrochloride AG 270 Morpholinoethyl-2 methyl-4 (m-methoxyphenyl)-6 pyridazone-3 chlorhydrate [French]