1 41O 5-[4-(3-chlorobenzoyl)piperazin-1-yl]-1h-inden-1-one 1.000 2 6SR 5-[4-(1,3-benzodioxol-5-ylcarbonyl)piperazin-1-yl]-2,3-dihydroinden-1-one 0.857 3 PZQ Praziquantel 0.778 4 ZWK [4-(1-aminophthalazin-6-yl)piperazin-1-yl](2-methylphenyl)methanone 0.759 5 3G9 1-{4-[4-(3-chlorobenzoyl)piperazin-1-yl]phenyl}ethanone 0.750