Atomic structure
There are 3 chemically distinct structures. Please, select:

[*]O[C@H]1[C@H](O)[C@@H](CO)O[C@@H](O[C@@H]2[C@@H](OC(C)(O)C(=O)O)[C@@H]([*])O[C@H](CO)[C@@H]2O)[C@@H]1O