SMILES: C([C@@H]1[C@@H]([C@@H]([C@H]([C@@H](O1)O[C@@H]2[C@H]([C@H]([C@H](OC2O)CO)O)O)O)O)O)O
Description: The molecule is a disaccharide consisting of beta-D-galactopyranose and D-galactopyranose joined in sequence by a (1->2) glycosidic bond. It derives from a D-galactopyranose and a beta-D-galactose.