SMILES: CC(=O)N[C@@H]1[C@H]([C@@H]([C@H](O[C@H]1O[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)NC(=O)C)O)CO)CO)O)CO)O)O[C@H]4[C@@H]([C@H]([C@H]([C@H](O4)CO)O)O)O
Description: The molecule is a tetrasaccharide comprising residues of galactose, N-acetylglucosamine, galactose and N-acetylglucosamine units in a linear sequence, all joined by beta-linkages. It is an amino tetrasaccharide and a glucosamine oligosaccharide.