1-(4-Acetylaminophenyl)-2-(4-methylpiperazino)propanone dihydrochloride 97111-11-0 Acetamide, N-(4-(2-(4-methyl-1-piperazinyl)-1-oxopropyl)phenyl)-, dihydrochloride CRL 41242 N-(4-(2-(4-Methyl-1-piperazinyl)-1-oxopropyl)phenyl)acetamide dihydrochloride