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