SEARCH Articles Figures Tables 3- Hydroxybutyric acid 3- Hydroxybutyric acid/3-Hydroxybutyrate 3-hydroxybutyrate 4- -4-hydroxybutyric 4-Amino-3-hydroxybutyric Acid A-Hydroxybutyric acid L amino acids L,-a-Amino L-2-Amino-3-hydroxybutyric Acid L-a-amino acids Y-Hydroxybutyrate Y-Hydroxybutyric acid Y-amino acids