SMILES: C1=CN(C(=O)NC1=O)[C@H]2[C@@H]([C@@H]([C@H](O2)COP(=O)([O-])OP(=O)([O-])OC3[C@@H]([C@H]([C@@H]([C@@H](O3)C(=O)[O-])O)O)O)O)O
Description: The molecule is a nucleotide-sugar oxoanion arising from deprotonation of the diphosphate and carboxy groups of UDP-L-iduronic acid; major species at pH 7.3. It is a nucleotide-sugar oxoanion and a carbohydrate acid derivative anion. It is a conjugate base of an UDP-L-iduronic acid.