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