1-Piperidinecarboxylic acid, 4-oxo-2-phenyl-, phenylmethyl ester, (2S)-

1-Piperidinecarboxylic acid, 2-(4-aminophenyl)-4-oxo-, 1,1-dimethylethyl ester Benzyl 2-(4-fluoro-2-methylphenyl)-4-oxopiperidine-1-carboxylate 1-Piperidinecarboxylic acid, 2-(2-bromophenyl)-4-oxo-, 1,1-dimethylethyl ester 1-Piperidinecarboxylic acid, 2-(4-fluoro-2-methylphenyl)-4-oxo-, 1,1-dimethyleth… 1-Piperidinecarboxylic acid, 2-(3-bromophenyl)-4-oxo-, 1,1-dimethylethyl ester

benzyl 2-(4-fluorophenyl)-4-oxopiperidine-1-carboxylate 1-Piperidinecarboxylic acid, 2-(4-bromophenyl)-4-oxo-, 1,1-dimethylethyl ester 1-Piperidinecarboxylic acid, 4-oxo-2-phenyl-, phenylmethyl ester, (2R)- tert-butyl 2-(4-chlorophenyl)-4-oxopiperidine-1-carboxylate