Synonyms: alpha-Keto-butyric acid-4-13C4-3,3-d2 sodium; alpha-Ketobutyric acid-4-13C4-3,3-d2 sodium salt; 2-Oxobutanoic acid-13C4,3,3-d2 sodium salt; Sodium alpha-ketobutyrate-13C4,3,3-d2 Molecular Formula: 13C4D2H3NaO3 · xH2O Linear Structural Formula: 13CH313CD213CO13CO2Na · xH2O MDL...