SMILES: C[C@H]1[C@H]([C@H]([C@@H]([C@@H](O1)O[C@@H]2[C@H]([C@H]([C@H](O[C@H]2O[C@@H]3[C@H](OC([C@@H]([C@H]3O[C@H]4[C@H]([C@@H]([C@@H]([C@@H](O4)C)O)O)O)O)O)CO)CO)O)O)O)O)O
Description: The molecule is a tetrasaccharide that is lactose in which the hydroxy groups at the 3 and 2' positions have each been glycosylated by an alpha-L-fucosyl group.