Atomic structure
There is only one chemically distinct structure:
C[C@@H]1O[C@@H](c2c(O)c([C@@H]3O[C@H](CO)[C@@H](O)[C@H](O)[C@H]3O)c(O)c3c(=O)cc(-c4ccc(O)cc4)oc23)[C@H](O)[C@H](O)[C@H]1O