1 CZE (2-{4-[(S)-(4-chlorophenyl)(phenyl)methyl]piperazin-1-yl}ethoxy)acetic acid 1.000 2 LCR (2-{4-[(R)-(4-chlorophenyl)(phenyl)methyl]piperazin-1-yl}ethoxy)acetic acid 1.000 3 Q7R 1-[4-(diphenylmethyl)piperazin-1-yl]ethan-1-one 0.750