SEARCH Articles Figures Tables A-Amino acids, y-hydroxysynthesis A-Amino-y-hydroxycarboxylic acids A-Amino-y-methylvaleric acid Amino acids y-Aminobutyric acid L- -y-Amino-a-hydroxybutyric acid P-Hydroxy-y-amino acids Y-Amino acids, synthesis Y-Amino butyric acid Y-Amino butyric acid (GABA Y-Dehydro-a-amino acid Y-amino-n-butyric acid Y-glutamyl amino acid