SMILES: COC1=C(C=CC(=C1)C[C@@H](C(=O)[O-])[NH3+])O
Description: The molecule is an aromatic L-alpha-amino acid zwitterion resulting from transfer of a proton from the carboxy to the amino group of 3-O-methyldopa. Major species at pH 7.3 It has a role as a human metabolite. It is a tautomer of a 3-O-methyldopa.