Atomic structure
There is only one chemically distinct structure:
COc1cc(/C=C/C(=O)OC[C@H]2O[C@@H](O[C@H]3[C@@H](CO)O[C@@H](O)[C@H](O)[C@H]3O)[C@H](O)[C@@H](O)[C@H]2O)ccc1O