2-Hydroxybutanoic acid 2-Hydroxybutyric acid 600-15-7 Butanoic acid, 2-hydroxy- (9CI) Butyric acid, 2-hydroxy- (8CI) NSC 6495 alpha-Hydroxy-n-butyric acid alpha-Hydroxybutyrate alpha-Hydroxybutyric acid 2-hydroxy-butanoic acid LMFA01050004 (+/-)alpha-hydoxy butyric acid (1)-2-Hydroxybutyric acid EINECS 209-985-3 .alpha.-Hydroxy-n-butyric acid .alpha.-Hydroxybutyric acid Butanoic acid, 2-hydroxy- Butyric acid, 2-hydroxy- NSC6495