Atomic structure
There is only one chemically distinct structure:
CCCCCCCCCCCCCCCC(=O)O[C@@H]1[C@@H](OC(=O)CCCCCCCCCCCCCCCO)[C@H](O)[C@@H](CO)O[C@@H]1O[C@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1OS(=O)(=O)O