SMILES: C1=CC(C(C(=C1)C(=O)[O-])[NH3+])O
Description: The molecule is an amino acid zwitterion, obtained by transfer of a proton from the carboxylic acid group to the amino group of 2,3-dihydro-3-hydroxyanthranilic acid. It is a tautomer of a 2,3-dihydro-3-hydroxyanthranilic acid.