SMILES: CC(=O)N[C@@H]1[C@H](C[C@@](O[C@H]1[C@@H]([C@@H](CO)O[C@@]2(C[C@@H]([C@H]([C@@H](O2)[C@@H]([C@@H](CO)O)O)NC(=O)C)O)C(=O)O)O)(C(=O)O)O)O
Description: The molecule is alpha-Neu5Ac-(2->8)-Neu5Ac in which the configuration at the anomeric carbon atom of the residue at the reducing end is alpha It has a role as an epitope.