氯碘甲烷

(S)-1-N-叔丁氧羰基-2,3-二氢-2-吡咯甲酸乙酯

二碘甲烷

Boc-D-焦谷氨酸乙酯

1-O-tert-butyl 2-O-ethyl (2S)-5-hydroxypyrrolidine-1,2-dicarboxylate