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