SMILES: C1=CC=C(C=C1)[C@H](C(=O)[O-])[NH3+]
Description: The molecule is a D-alpha-amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of D-alpha-phenylglycine; major species at pH 7.3. It is a tautomer of a D-alpha-phenylglycine.