SMILES: C([C@@H]1[C@H]([C@@H]([C@H]([C@H](O1)O)[NH3+])O)O[C@H]2[C@@H]([C@H]([C@@H]([C@@H](O2)C(=O)[O-])O)O)O)O
Description: The molecule is a zwitterion derived from heparosan L-iduronic acid. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It is a tautomer of a heparosan L-iduronic acid.