SMILES: C[C@H]1[C@H]([C@H]([C@@H]([C@@H](O1)O[C@H]2[C@@H]([C@@H]([C@@H](O[C@H]2O[C@@H]3[C@H]([C@@H](O[C@@H]([C@H]3O[C@H]4[C@@H]([C@H]([C@H]([C@H](O4)CO)O)O)NC(=O)C)CO)O)NC(=O)C)C)O)O)O)O)O
Description: The molecule is a branched amino tetrasaccharide consisting of N-acetyl-beta-glucosamine at the reducing end with an alpha-fucosyl-(1->2)-alpha-fucosyl group attached at the 3-position and an N-acetyl-beta-glucosaminyl residue attached at the 4-position. It has a role as an epitope.