86815-10-3
ethyl 2-(2-oxopyrrolidin-1-yl)butanoate
→
~89%
67118-31-4
alpha-乙基-2-氧代-1-吡咯烷乙酸
102849-49-0
(2S)-2-(2-氧代吡咯烷-1-基)丁酸
102767-28-2
左乙拉西坦
103833-72-3
左乙拉西坦酸