Atomic structure
There is only one chemically distinct structure:
CO[C@@H]1[C@@H](C(=O)O)O[C@@H](OC[C@H]2O[C@@H](OC[C@H]3O[C@@H](OC[C@H]4O[C@@H](OC[C@H]5OC(O)[C@H](O)[C@@H](O)[C@H]5O)[C@H](O)[C@@H](O)[C@H]4O)[C@H](O)[C@@H](O)[C@H]3O)[C@H](O)[C@@H](O)[C@H]2O)[C@H](O)[C@H]1O