1-(2-(4-o-Tolyl-1-piperazinyl)ethyl)-2(1H)-pyridone monohydrochloride 2(1H)-Pyridinone, 1-(2-(4-(2-methylphenyl)-1-piperazinyl)ethyl)-, monohydrochloride 2(1H)-Pyridone, 1-(2-(4-o-tolyl-1-piperazinyl)ethyl)-, monohydrochloride 4949-11-5 PW-16