SMILES: C1=C(O[C@H]([C@@H]([C@H]1O)OS(=O)(=O)O)O[C@@H]2[C@H](O[C@@H]([C@@H]([C@H]2O)NS(=O)(=O)O)O)COS(=O)(=O)O)C(=O)O
Description: The molecule is an unsaturated heparin disaccharide that is 2N,6-O-disulfo-alpha-D-glucosamine in which the hydroxy group at position 4 has been glycosylated by 4-deoxy-2-O-sulfo-alpha-L-threo-hex-4-enopyranuronic acid. Sequence: DUA2S-GlcNS6S. It is an unsaturated heparin disaccharide, an oligosaccharide sulfate and a monocarboxylic acid. It is a conjugate acid of a heparin disaccharide I-S(4-).