29285-79-8 3(2H)-Pyridazinone, 6-(p-hydroxyphenyl)-4-methyl-2-(2-morpholinoethyl)-, hydrochloride 6-(p-Hydroxyphenyl)-4-methyl-2-(2-morpholinoethyl)-3(2H)-pyridazinone hydrochloride AG 252 Morpholinoethyl-2 methyl-4 (p-hydroxyphenyl)-6 pyridazone-3 chlorhydrate [French]