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](OC([C@@H]3NC(=O)C)O)CO[C@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O)O)NC(=O)C)O)CO)O)O
Description: The molecule is a amino tetrasaccharide comprising D-GalNAc having a beta-D-GlcNAc residue at the 6-position and a alpha-Neu5Ac-(2->3)-beta-D-Gal residue at the 3-position. It is an amino tetrasaccharide and a glucosamine oligosaccharide.