SMILES: CC(=O)N[C@@H]1[C@H](C[C@@](O[C@H]1[C@@H]([C@@H](CO)O)O)(C(=O)O)O[C@@H]2[C@H]([C@H](O[C@@H]([C@@H]2O)CO)O)NC(=O)C)O
Description: The molecule is an amino disaccharide comprised of an N-acetyl-alpha-neuraminyl residue linked (2->3) to N-acetyl-alpha-D-galactosamine It has a role as an epitope.