(R)-4-tert-butyl 1-methyl 2-benzylsuccinate

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

(R)-tert-butyl 4-((R)-4-benzhydryl-2-oxooxazolidin-3-yl)-3-benzyl-4-oxobutanoate

(R)-2-苄基-琥珀酸 1-苄酯 4-叔丁酯