N-(叔丁氧基羰基)-L-亮氨酸甲酯

(2S,3S)-butyric acid 2-isobutyl-5-oxopyrrolidin-3-yl ester

tert-butyl (2R,3S)-2-isobutyl-5-oxo-3-((4-oxobutan-2-yl)oxy)pyrrolidine-1-carboxylate

(4S,5S)-4-Isobutyl-2,2-dimethyl-5-(2-oxo-ethyl)-oxazolidine-3-carboxylic acid tert-butyl ester

N-Boc-D-leucinal