2(1H)-Quinolinone, 3,4-dihydro-6-(1-oxo-3-(4-(phenylmethyl)-1-piperidinyl)propyl)- 6-(1-Oxo-3-(4-benzyl-1-piperidyl)propyl)-3,4-dihydrocarbostyril 6-(1-oxo-3-(4-(phenylmethyl)-1-piperidinyl)propyl)-3,4-dihydro-2(1H)-quinolinone 80834-71-5