122536-69-0
(S)-3-[(methylsulfonyl)oxy]-1-pyrrolidinecarboxylic acid phenylmethyl ester
→
122536-71-4
(R)-3-azido-1-pyrrolidinecarboxylic acid phenylmethyl ester
122536-75-8
(R)-3-叔丁氧羰基氨基吡咯烷-1-甲酸苄酯
122536-73-6
(R)-1-苄氧羰基-3-氨基吡咯烷