SMILES: CC(=O)N[C@@H]1[C@H]([C@@H]([C@H](OC1O)CO)O)O[C@H]2[C@@H]([C@H](C=C(O2)C(=O)[O-])O)O
Description: The molecule is a monocarboxylic acid anion obtained by deprotonation of the carboxy group of beta-D-4-deoxy-Delta(4)-GlcpA-(1->3)-D-GlcpNAc; major species at pH 7.3. It is a carbohydrate acid derivative anion and a monocarboxylic acid anion.