SMILES: CC(=O)N[C@@H]1[C@H]([C@H]([C@H](O[C@H]1O[C@@H]2[C@H](O[C@H]([C@@H]([C@H]2O)NC(=O)C)O[C@H]3[C@H]([C@H](O[C@@H]([C@@H]3O)O)CO)O)CO)CO)O)O
Description: The molecule is a linear amino trisaccharide comprising alpha-D-galactose at the reducing end having a N-acetyl-beta-D-galactosaminyl-(1->4)-N-acetyl-beta-D-glucosaminyl moiety attached at the 3-position. It has a role as an epitope.