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

CC(=O)N[C@H]1[C@H](O[C@H]2[C@@H](O)[C@@H](CO)O[C@@H](O[C@@H]3[C@@H](CO)O[C@@H](O[C@H]4[C@H](O)[C@H](O)C(O)O[C@@H]4[C@@H](O)CO)[C@H](O)[C@H]3O)[C@@H]2O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@@H]1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O