1 9SC 7-[4-[4-[2,3-bis(chloranyl)phenyl]piperazin-1-yl]butoxy]-3,4-dihydro-1h-quinolin-2-one 1.000 2 AJW 7-[4-(4-phenylpiperazin-1-yl)butoxy]-3,4-dihydro-1h-quinolin-2-one 0.933