29242-40-8 3(2H)-Pyridazinone, 6-(o-chlorophenyl)-4-methyl-2-(2-morpholinoethyl)-, hydrochloride 6-(o-Chlorophenyl)-4-methyl-2-(2-morpholinoethyl)-3(2H)-pyridazinone hydrochloride AG 267 Morpholinoethyl-2 methyl-4 (o-chlorophenyl)-6 pyridazone-3 chlorhydate [French]