(S)-2-(1H-咪唑-2-基)-吡咯烷-1-羧酸叔丁酯

(S)-tert-butyl 2-(4,5-dibromo-1H-imidazol-2-yl)pyrrolidine-1-carboxylate

N-Boc-L-脯氨醇

(S)-N-Boc-吡咯烷-2-甲醛 N-(叔丁氧羰基)-L-脯氨醛

BOC-L-脯氨酸