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)O[C@H]2[C@H]([C@H](O[C@H]([C@@H]2O)O[C@@H]3[C@H]([C@@H](O[C@@H]([C@H]3O)CO)O[C@@H]4[C@H]([C@H](O[C@@H]([C@@H]4O)CO)O)NC(=O)C)NC(=O)C)CO)O)O
Description: The molecule is a linear amino tetrasaccharide comprised of N-acetyl-alpha-neuraminyl, beta-D-galactosyl, N-acetyl-beta-D-glucosaminyl and N-acetyl-alpha-D-galactosamine residues linked sequentially (2->3), (1->3) and (1->3). It is an amino tetrasaccharide, a glucosamine oligosaccharide and a galactosamine oligosaccharide.