Atomic structure
There is only one chemically distinct structure:
COc1cc(O)c2c(=O)c(O[C@@H]3O[C@@H](C)[C@H](O)[C@@H](O)[C@H]3OC(=O)c3cc(O)c(O)c(O)c3)c(-c3cc(O)c(O)c(O)c3)oc2c1