SMILES: C([C@@H]1[C@@H]([C@@H]([C@H]([C@@H](O1)O[C@H]2[C@H](O[C@H]([C@@H]([C@H]2O)O)O[C@@H]3[C@H](O[C@@H]([C@@H]([C@H]3O)O)O)CO)CO)O)O)O)O
Description: The molecule is a trisaccharide consisting of two beta-D-galactopyranose residues and an alpha-D-glucopyranose residue joined in sequence by (1->4) glycosidic bonds. It derives from an alpha-lactose and a beta-D-galactopyranosyl-(1->4)-beta-D-galactopyranose.