ZINC00895587 (2R)-3-amino-2-methylpropanoic acid (2R)-3-amino-2-methyl-propanoic acid (2R)-3-amino-2-methyl-propionic acid CHEBI:16320 (R)-3-aminoisobutyric acid (R)-beta-aminoisobutyric acid (R)-3-Amino-2-methylpropanoate C01205 D-3-Amino-isobutanoate