29285-83-4 3(2H)-Pyridazinone, 6-(o-methoxyphenyl)-4-methyl-2-(2-morpholinoethyl)-, hydrochloride 6-(o-Methoxyphenyl)-4-methyl-2-(2-morpholinoethyl)-3(2H)-pyridazinone hydrochloride AG 258 Morpholinoethyl-2 methyl-4 (o-methoxyphenyl)-6 pyridazone-3 chlorhydrate [French]