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Atomic structure
There are 5 chemically distinct structures. Please, select:

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