Atomic structure
There is only one chemically distinct structure:
CCCCCCCCCCCCCC(=O)OC[C@H](CO[C@@H]1O[C@H](CO[C@@H]2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)[C@H](O)[C@H](O)[C@H]1O)OC(=O)CCCCCCCCCCCCC