methyl (3S,4S)-4-(4-chlorophenyl)-1-methylpiperidine-3-carboxylate methyl (3S,4S)-4-(4-chlorophenyl)-1-methyl-piperidine-3-carboxylate (3S,4S)-4-(4-chlorophenyl)-1-methyl-3-piperidinecarboxylic acid methyl ester (3S,4S)-4-(4-chlorophenyl)-1-methyl-nipecotic acid methyl ester PDSP2_001276 PDSP1_001292