SMILES: C[C@H]1[C@H]([C@H]([C@@H]([C@@H](O1)O[C@@H]2[C@H](OC([C@@H]([C@H]2O[C@H]3[C@@H]([C@H]([C@H]([C@H](O3)CO)O)O)O[C@H]4[C@H]([C@@H]([C@@H]([C@@H](O4)C)O)O)O)NC(=O)C)O)CO)O)O)O
Description: The molecule is an amino tetrasaccharide consisting of N-acetylglucosamine having a fucosyl residue attached at the 4-position via a beta-linkage and alpha-fucosyl-(1->2)-galactosyl residues attached at the 3-position, also via a beta-linkage. It has a role as an epitope and an antigen. It is an amino tetrasaccharide and a glucosamine oligosaccharide.