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

溴乙酸叔丁酯

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

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

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