1227910-54-4
phenylmethyl (2R)-2-ethyl-1-pyrrolidinecarboxylate
→
~61%
460748-80-5
2R-2-乙基吡咯烷盐酸盐
876617-06-0
(R)-2-乙基吡咯烷-1-羧酸叔丁酯