1-Cbz-3-pyrrolidinoneN-Benzyloxycarbonyl-3-pyrrolidinone3-氧代-1-吡咯烷羧酸,苯基甲基酯3-氧代吡咯烷-1-羧酸苄酯N-Cbz-3-吡咯烷酮1-Z-3-Pyrrolidinone1-Carbobenzyloxy-3-pyrrolidinone3-Oxo-1-pyrrolidinecarboxylic acid, phenylmethyl ester3-Oxopyrrolidine-1-carboxylic acid benzyl esterN-苄氧羰基-3-吡咯烷酮1-Cbz-3-吡咯烷酮