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