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)OC[C@@H]2[C@@H]([C@@H]([C@H]([C@H](O2)O)NC(=O)C)O)O)O
Description: The molecule is an amino disaccharide composed of N-acetylneuraminic acid and N-acetyl-alpha-D-galactosamine residues linked (2->6). It has a role as an epitope. It is an amino disaccharide and a galactosamine oligosaccharide.