1 3UE [4-(diphenylmethyl)piperazin-1-yl](3-methyl-4-nitrophenyl)methanone 1.000 2 A1A21 (5-bromopyridin-3-yl){4-[(R)-(4-chlorophenyl)(phenyl)methyl]piperazin-1-yl}methanone 0.765 3 A1AFD (5-bromopyridin-3-yl){4-[(S)-(4-chlorophenyl)(phenyl)methyl]piperazin-1-yl}methanone 0.765