Boc-L-脯氨酸甲酯

tert-butyl 2-(1-hydroxy-2-nitroethyl)pyrrolidine-1-carboxylate

1-Boc-2-哌啶酮

N-Boc-L-脯氨醇

(S)-2-(1H-咪唑-2-基)-吡咯烷-1-羧酸叔丁酯