Atomic structure
There is only one chemically distinct structure:
[*]O[C@@H]1C(O[C@@H]2[C@@H](CO)OC([*])[C@H](NC(C)=O)[C@H]2OC2O[C@@H](C)[C@@H](O)[C@@H](O)[C@@H]2O)O[C@@H](C)[C@@H](O)[C@H]1O