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