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[C@H]3[C@@H]([C@H]([C@H]([C@H](O3)CO)O)O[C@@]4(C[C@@H]([C@H]([C@@H](O4)[C@@H]([C@@H](CO)O)O)NC(=O)C)O)C(=O)O)O)O)O
Description: The molecule is alpha-Neup5Ac-(2->6)-[alpha-Neup5Ac-(2->3)-beta-D-Galp-(1->3)]-alpha-D-GalpNAc in which the anomeric configuration of the reducing-end N-acetyl-D-glucosamine residue is alpha. It has a role as an epitope.