| 英文同义词: | 2-Keto-(3-methyl-13C)-butyric-4-13C,3-d acid sodium salt;2-KETO-3-(METHYL-13C)-BUTYRIC-4-13C,3-D1 ACID SODIUM SALT;Sodium α-ketoisovalerate-3-(methyl-13C),4-13C,3-d1;2-Ketoisovaleric-(3-methyl-13C),4-13C,3-d acid sodium salt;3-Methyl-13C-2-oxobutanoic-4-13C,d acid sodium salt;α-Keto-(3-methyl-13C)-butyric-4-13C,3-d acid sodium;α-Ketoisovaleric-(3-methyl-13C),4-13C-3-d acid sodium salt |