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)O[C@@H]3[C@H]([C@H](O[C@@H]([C@@H]3O)CO)O)NC(=O)C)CO)O)O
Description: The molecule is alpha-Neup5Ac-(2->3)-beta-D-Galp-(1->3)-D-GalpNAc in which the configuration at the GalNAc anomeric carbon is alpha. It has a role as an epitope.