Atomic structure

There are 3 chemically distinct structures. Please, select:

C[C@@H]1OC(O)[C@H](O[C@H]2O[C@H](C(=O)O)[C@H](O)[C@H](O[C@@H]3O[C@H](C(=O)O)[C@@H](O)[C@H](O)[C@H]3O)[C@H]2O)[C@H](O)[C@H]1O

SVG MW SMILES 3D mol Ionize

C[C@@H]1OC(O)[C@H](O[C@H]2O[C@H](C(=O)O)[C@H](O)[C@H](O[C@@H]3O[C@H](C(=O)O)[C@@H](O)[C@H](O)[C@H]3O)[C@H]2O)[C@H](O)[C@H]1O

516.405 g/mol (C₁₈H₂₈O₁₇)