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 amino disaccharide comprised of N-acetyl-alpha-D-galactosamine having an N-acetyl-D-galactosaminyl residue attached at the 3-position via a beta-linkage. It has a role as an epitope.