Atomic structure
There is only one chemically distinct structure:
[*]O[C@H]1[C@@H](N)[C@@H](C)O[C@H](O[C@H]2[C@@H](CO)O[C@H](O[C@@H]3[C@@H](O)[C@H]([*])O[C@@H]4CO[C@@](C)(C(=O)O)O[C@@H]43)[C@H](NC(C)=O)[C@H]2O[C@@H]2O[C@@H]([C@H](O)CO)[C@H](O)[C@H]2O)[C@@H]1NC(C)=O