2(1H)-Quinolinone, 3,4-dihydro-6-(4-(4-(3-chlorophenyl)-1-piperazinyl)-1-hydroxybutyl)- 6-(1-Hydroxy-4-(4-(3-chlorophenyl)-1-piperazinyl)butyl)-3,4-dihydrocarbostyril 6-(4-(4-(3-chlorophenyl)-1-piperazinyl)-1-hydroxybutyl)-3,4-dihydro-2(1H)-quinolinone 80834-52-2