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)C)O)C(=O)O)O)NC(=O)C)O)CO)O)O)O
Description: The molecule is a branched amino tetrasaccharide consisting of a sialyl residue, linked (2->3) to a galactosyl residue that in turn is linked (1->3) to a glucosaminyl residue at the reducing end, which is also carrying a fucosyl residue at the 4-position. It has a role as an epitope.