SMILES: C1=CC=C(C=C1)C(CC(=O)[O-])[NH3+]
Description: The molecule is an amino-acid zwitterion arising form transfer of a proton from the carboxy to the amino group of 3-amino-3-phenylpropanoic acid; major species at pH 7.3. It is a tautomer of a 3-amino-3-phenylpropanoic acid.