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[C@H]3[C@@H]([C@H]([C@@H](O[C@H]3C(=O)O)O[C@@H]4[C@H](O[C@@H]([C@@H]([C@H]4O)NS(=O)(=O)O)O)COS(=O)(=O)O)O)O)COS(=O)(=O)O)C(=O)O
Description: The molecule is an amino tetrasaccharide comprising the sequence alpha-L-DeltaHexA(2S)-(1->4)-alpha-D-GlcNS(6S)-(1->4)-alpha-L-IdoA-(1->4)-alpha-D-GlcNS(6S). It is an amino tetrasaccharide, a heparin tetrasaccharide and an oligosaccharide sulfate.