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](OC([C@@H]2O)O)CO)O[C@H]3[C@@H]([C@H]([C@H]([C@H](O3)CO)O)O)NC(=O)C)O
Description: The molecule is an amino trisaccharide consisting of N-acetyl-beta-D-galactosaminyl and 5-acetyl-alpha-neuraminyl residues linked respectively (1->4) and (2->3) to D-galactose. It has a role as an epitope.