2-isobutyl-propane-1,1,3,3-tetracarboxylic acid tetraethyl ester

(3R)-5-methyl-3-(2-oxo-2-{[(1R)-1-phenylethyl]amino}ethyl)hexanoic acid

(R)-(-)-3-(氨甲酰甲基)-5-甲基己酸

5,5'-(3-methylbutane-1,1-diyl)bis(2,2-dimethyl-1,3-dioxane-4,6-dione)

2-(3-甲基丁亚基)丙二酸二乙酯