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