Atomic structure

There are 2 chemically distinct structures. Please, select:

CC(=O)N[C@H]1C(O[C@@H]2[C@@H](NC(C)=O)C(O[C@@H]3[C@@H](CO)OC(O)[C@H](O)[C@H]3O)O[C@H](CO)[C@@H]2O)O[C@H](CO)[C@H](O)[C@@H]1OC1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O

SVG MW SMILES 3D mol Ionize

CC(=O)N[C@H]1C(O[C@@H]2[C@@H](NC(C)=O)C(O[C@@H]3[C@@H](CO)OC(O)[C@H](O)[C@H]3O)O[C@H](CO)[C@@H]2O)O[C@H](CO)[C@H](O)[C@@H]1OC1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O

748.685 g/mol (C₂₈H₄₈N₂O₂₁)