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