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