SMILES: CC(=O)N[C@@H]1[C@H]([C@@H]([C@H](O[C@H]1O)CO[C@@]2(C[C@H]([C@H]([C@H](O2)[C@@H](CO)O)O)O[C@@]3(C[C@H]([C@H]([C@H](O3)[C@@H](CO)O)O)O[C@@]4(C[C@H]([C@H]([C@H](O4)[C@@H](CO)O)O)O)C(=O)O)C(=O)O)C(=O)O)O)O
Description: The molecule is a tetrasaccharide consisting of three 3-deoxy-D-manno-oct-2-ulose residues and a single N-acetylglucosamine residue in a linear sequence, joined via alpha-linkages. It has a role as an epitope. It is an amino tetrasaccharide and a glucosamine oligosaccharide.