SMILES: C[C@H]1[C@H]([C@H]([C@@H]([C@@H](O1)O[C@@H]2[C@H](O[C@H]([C@@H]([C@H]2O[C@H]3[C@@H]([C@H]([C@H]([C@H](O3)CO)O)O[C@@]4(C[C@@H]([C@H]([C@@H](O4)[C@@H]([C@@H](CO)O)O)NC(=O)CO)O)C(=O)O)O)NC(=O)C)O)CO)O)O)O
Description: The molecule is a branched amino tetrasaccharide comprising alpha-N-glycoloylneuraminyl, beta-D-galactosyl and N-acetyl-beta-D-glucosamine residues linked sequentially (2->3) and (1->3), to the galactosyl residue of which is also linked (1->4) an alpha-L-fucosyl residue. It has a role as an epitope. It is a glucosamine oligosaccharide and an amino tetrasaccharide.