SMILES: C([C@@H]1[C@@H]([C@@H]([C@H]([C@H](O1)O[C@H]2[C@H]([C@H](O[C@H]([C@@H]2O)O[C@@H]3[C@H](OC([C@@H]([C@H]3O)O)O)CO)CO)O)O)O)O)O
Description: The molecule is a linear trisaccharide comprising D-glucose (at the reducing end) having an alpha-D-galactosyl-(1->3)-beta-D-galactosyl moiety at the 4-position. It has a role as a carbohydrate allergen.