Atomic structure
There is only one chemically distinct structure:
[*]OC[C@H]1O[C@@H](O[C@H]2[C@@H](O)[C@@H](CO)O[C@@H](O[C@@H]3[C@@H](CO)O[C@@H]([*])[C@H](O)[C@H]3O)[C@@H]2O)[C@H](NC(C)=O)[C@@H](O)[C@@H]1O[C@@H]1O[C@H](CO[C@]2(C(=O)O)C[C@H](O)[C@@H](NC(C)=O)[C@H]([C@H](O)[C@H](O)CO)O2)[C@H](O)[C@H](O)[C@H]1O