Atomic structure
There is only one chemically distinct structure:
C=C(C)[C@@H]1CC[C@]2(C)[C@H]([C@H](O)C[C@@H]3[C@H]4[C@H](C(=C)C)CC[C@]4(C(=O)O[C@@H]4O[C@H](CO[C@@H]5O[C@H](CO)[C@@H](O[C@@H]6O[C@@H](C)[C@H](O)[C@@H](O)[C@H]6O)[C@H](O)[C@H]5O)[C@@H](O)[C@H](O)[C@H]4O)CC[C@]32C)[C@@]1(C)CCC(=O)OC