Atomic structure
There are 2 chemically distinct structures. Please, select:

[*]O[C@@H]1[C@@H](O)[C@H](C)O[C@@H](O[C@H]2[C@H](O[C@@H]3[C@@H](O)[C@H](C)O[C@@H](O[C@H]4[C@@H](O)[C@H]([*])O[C@@H](C)[C@@H]4O)[C@@H]3O)O[C@@H](C)[C@H](O)[C@H]2OC2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2NC(C)=O)[C@@H]1O