SMILES: CC(=O)N[C@@H]1[C@H]([C@H]([C@H](O[C@@H]1O)CO)O)O[C@H]2[C@@H]([C@H]([C@H]([C@H](O2)CO)O)O[C@@]3(C[C@@H]([C@H]([C@@H](O3)[C@@H]([C@@H](CO)O)O)O)O)C(=O)O)O
Description: The molecule is an amino trisaccharide consisting of alpha-KDN, beta-D-galactose and N-acetyl-alpha-D-galactosamine residues linked sequentially (2->3) and (1->3). It has a role as an epitope. It is an amino trisaccharide and a galactosamine oligosaccharide.