(4S)-3-((2R)-4-(tert-butoxy)-2-methyl-4-oxobutanoyl)-4-(phenylmethyl)-1,3-oxazolidin-2-one

4-甲氧基-2-甲基-4-氧代丁酸

(4R,2'R)-3-(4'-tert-butoxy-4'-oxo-2'-methylbutanoyl)-4-iso-propyl-6,6-dimethyl-(1,3)-oxazinan-2-one

叔丁醇钾

(S)-tert-butyl 3-((R)-4-(tert-butoxy)-2-methyl-4-oxobutanoyl)-1-methyl-2-oxoimidazolidine-4-carboxylate