SMILES: C1[C@@H](C(=O)N1[C@H](C2=CC=C(C=C2)O)C(=O)[O-])NC(=O)/C(=N\\[O-])/C3=CC=C(C=C3)OCC[C@H](C(=O)[O-])[NH3+]
Description: The molecule is a dicarboxylic acid dianion that is the major structure of isonocardicin A at pH 7.3 (according to Marvin v 6.2.0.). It is a conjugate base of a nocardicin A(1-) and a nocardicin A.