(R)-2-甲基琥珀酸-4-叔丁酯

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

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

溴乙酸叔丁酯

1,2,2-Propanetricarboxylic acid, 1-(1,1-dimethylethyl) 2,2-dimethyl ester

2-[(R)-2-((S)-5-tert-Butoxycarbonyl-3-methyl-2-oxo-imidazolidin-1-yl)-1-methyl-2-oxo-ethyl]-malonic acid

叔丁醇钾

(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

(R)-4-((S)-5-(tert-butoxycarbonyl)-3-methyl-2-oxoimidazolidin-1-yl)-3-methyl-4-oxobutanoic acid

2-(RS)-methyl-1,4-butanedioic acid 4-(1,1-dimethylethyl) 1-methyl ester

dibenzyl 2-((R)-1-((S)-5-(tert-butoxycarbonyl)-3-methyl-2-oxoimidazolidin-1-yl)-1-oxopropan-2-yl)malonate