SMILES: CC(=O)N[C@@H]1[C@H]([C@H]([C@H](O[C@@H]1O[C@@H]2[C@H]([C@@H](O[C@@H]([C@@H]2O)CO)O)NC(=O)C)CO)O)O
Description: The molecule is an alpha-D-GalpNAc-(1->3)-D-GalpNAc having beta-configuration at the reducing end anomeric centre. It has a role as an antigen and an epitope.