Atomic structure
There is only one chemically distinct structure:
COc1cc(O[C@H]2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O[C@@H]2O[C@@H](C)[C@H](O)[C@@H](O)[C@H]2O)cc2oc(-c3ccc(O[C@H]4O[C@H](CO)[C@@H](O)[C@H](O)[C@H]4O)cc3)cc(=O)c12