941289-97-0
methyl 1-((S)-1-amino-1-oxobutan-2-yl)-2-oxopyrrolidine-3-carboxylate
→
~99%
102767-28-2
左乙拉西坦
873786-88-0
(αR,3S)-4,4-dimethyl-2-oxo-1-phenylpyrrolidin-3-yl 2-(2-oxopyrrolidin-1-yl)butyrate
→
102767-28-2
左乙拉西坦
873786-87-9
(αS,3S)-4,4-dimethyl-2-oxo-1-phenylpyrrolidin-3-yl 2-(2-oxopyrrolidin-1-yl)butyrate
→
102767-28-2
左乙拉西坦