2(1H)-Quinolinone, 3,4-dihydro-6-(1-oxo-4-(4-phenyl-1-piperazinyl)butyl)-, monohydrochloride

6-[4-(4-Phenylpiperazin-1-yl)butanoyl]-3,4-dihydroquinolin-2(1H)-one--hydrogen chloride (1/1)