SMILES: C1[C@@H](C(=O)N1[C@H](C2=CC=C(C=C2)O)C(=O)[O-])NC(=O)[C@@H](C3=CC=C(C=C3)OCC[C@@H](C(=O)[O-])[NH3+])[NH3+]
Description: The molecule is an alpha-amino acid zwitterion resulting from a transfer of two protons from the carboxy groups to the amino groups of isonocardicin C; major species at pH 7.3. It is a tautomer of an isonocardicin C.