Atomic structure
There is only one chemically distinct structure:
C[C@@H]1O[C@@H](O[C@@H]2[C@@H](O)[C@H](O[C@@H]3O[C@H](CO)[C@@H](O)[C@H](O[C@@H]4OC[C@@H](O)[C@H](O)[C@H]4O)[C@H]3O)[C@@H](CO)O[C@H]2OC2CC[C@@]3(C)C(=CC[C@H]4[C@@H]5C[C@@H]6O[C@]7(CC[C@@H](C)CO7)[C@@H](C)[C@@H]6[C@@]5(C)CC[C@@H]43)C2)[C@H](O)[C@H](O)[C@H]1O