N-(tert-Butoxycarbonyl)-3-pyrrolidinoneN-Boc-3-pyrrolidinoneN-(叔丁氧羰基)-3-吡咯烷酮1-叔丁氧碳基-3-吡咯烷酮N-(tert-Butoxycarbonyl)-3-pyrrolidinonetert-butyl 3-oxopyrrolidine-1-carboxylatetert-Butyl 3-oxopyrrolidine-1-carboxylate1-(tert-Butoxycarbonyl)-3-oxopyrrolidinePyrrolidin-3-one, N-BOC protected 97%1-Boc-3-pyrrolidinone1-(tert-Butoxycarbonyl)-3-pyrrolidinone1-Boc-3-pyrrolidinone1,1-Dimethylethyl 3-Oxopyrrolidine-1-carboxylate1-tert-Butoxycarbonyl-3-pyrrolidinone3-Oxopyrrolidine-1-carboxylic Acid tert-Butyl Ester1-Boc-3-吡咯烷酮3-Oxo-pyrrolidine-1-carboxylic acid tert-butyl ester