Atomic structure
There are 2 chemically distinct structures. Please, select:

COc1cc(O)c2c(=O)cc(-c3ccc(O)c(O)c3)oc2c1[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O[C@@H]1OC[C@@H](O)[C@@H](O)[C@@H]1O