英文别名(2R)-2-Isopropyl-4-[(2-methyl-2-propanyl)oxy]-4-oxobutanoic acid; Butanedioic acid, 2-(1-methylethyl)-, 4-(1,1-dimethylethyl) ester, (2R)-; Butanedioic acid, (1-methylethyl)-, 4-(1,1-dimethylethyl) ester, (2R)-; (R)-2-(Boc-methyl)-3-methylbutanoic Acid 
