Atomic structure
There is only one chemically distinct structure:
C[C@@H]1O[C@@H](O[C@@H]2[C@@H](O)[C@H](OCCc3ccc(O)c(O)c3)O[C@H](CO)[C@H]2OC(=O)/C=C/c2ccc(O)c(O)c2)[C@H](O[C@@H]2OC[C@H](O)[C@@H](O)[C@H]2O)[C@H](O)[C@H]1O