SMILES: C([C@@H]1[C@@H]([C@@H]([C@H]([C@@H](O1)O[C@@H]2[C@H](OC([C@@H]([C@H]2O)O[C@@H]3[C@@H]([C@H]([C@@H]([C@H](O3)CO)O)O)O)O)CO)O)O)O)O
Description: The molecule is a trisaccharide that is lactose in which the hydroxy group at position 2 has been converted into the corresponding alpha-D-glucopyranosyl derivative. It derives from a lactose and an alpha-D-Glcp-(1->2)-D-Glcp.