SMILES: C[C@H]1[C@H]([C@H]([C@@H]([C@@H](O1)O[C@@H]2[C@H]([C@@H](O[C@@H]([C@H]2O[C@H]3[C@@H]([C@H]([C@H]([C@H](O3)CO)O)O)O)CO)O[C@H]4[C@H]([C@H](O[C@H]([C@@H]4O)O)CO)O)NC(=O)C)O)O)O
Description: The molecule is a branched amino tetrasaccharide comprising beta-D-galactose at the reducing end having a beta-D-galactosyl-(1->4)-[alpha-L-fucosyl-(1->3)]-N-acetyl-beta-D-glucosaminyl moiety attached at the 3-position. It has a role as an antigen.