1 N19 4-[(3~{R})-3-(phenylmethyl)piperazin-1-yl]carbonylbenzenesulfonamide 1.000 2 K45 4-[(3~{S})-4-methyl-3-(phenylmethyl)piperazin-1-yl]carbonylbenzenesulfonamide 0.962 3 BZW 4-[(3~{S})-4-ethanoyl-3-(phenylmethyl)piperazin-1-yl]carbonylbenzenesulfonamide 0.893