SMILES: C1[C@@H]([C@H]([C@@H](O[C@]1(C(=O)O)O[C@H]2[C@H]([C@H](O[C@H]([C@@H]2O)O[C@@H]3[C@H](OC([C@@H]([C@H]3O)O)O)CO)CO)O)[C@@H]([C@@H](CO)O)O)O)O
Description: The molecule is a linear trisaccharide consisting of alpha-KDN, beta-D-galactose and D-glucosamine residues linked sequentially (2->3) and (1->4). It has a role as an epitope.