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)O
Description: The molecule is an amino disaccharide composed of D-galactose and N-acetyl-alpha-D-galactosaminyl residues in beta-(1->3) linkage. It is a beta-D-Galp-(1->3)-D-GalpNAc and a D-Galp-(1->3)-D-GalpNAc.