SMILES: C[C@H]1[C@@H]([C@H]([C@H]([C@@H](O1)O[C@H]2[C@@H]([C@H](OC([C@@H]2O)O)CO)O)O)O)O[C@H]3[C@@H]([C@H]([C@@H]([C@H](O3)CO)O[C@H]4[C@@H]([C@H](C=C(O4)C(=O)[O-])O)O)O)O
Description: The molecule is a carbohydrate acid anion that results from the deprotonation of the carboxylic acid group of beta-D-Delta(4)-GlcpA-(1->4)-beta-D-Glcp-(1->4)-alpha-L-Rhap-(1->3)-D-Glcp. The major species at pH 7.3. It is a conjugate base of a beta-D-Delta(4)-GlcpA-(1->4)-beta-D-Glcp-(1->4)-alpha-L-Rhap-(1->3)-D-Glcp.