SMILES: [C@@H]1([C@@H]([C@H](O[C@H]([C@H]1O)O)C(=O)[O-])O)O
Description: The molecule is a polyanionic polymer obtained by global deprotonation of all the carboxy groups of (1->4)-beta-D-mannuronic acid; major species at pH 7.3. It is a carbohydrate acid anion and a polysaccharide acid oxoanion. It is a conjugate base of a poly[(1->4)-beta-D-mannuronic acid].