. . . . . . . . . . . "2-Oxoisovalerate"@en . . "2-Oxoisopentanoate"@en . "experimental"@en . "3-Methyl-2-oxobutyric acid"@en . "2-Oxo-3-methylbutanoate"@en . "Alpha-ketoisovalerate"@en . "3-Methyl-2-oxobutanoic acid"@en . . . . "2-Ketovaline"@en . "759-05-7"@en . . "3-Methyl-2-oxobutanoate"@en . . . . . . . . . . "2-Keto-3-methylbutyric acid"@en . . . . . . . . . . . . . . "alpha-Ketovaline"@en .