[H]C1=C([H])C(=C([H])O1)[C@]1([H])C([H])([H])[C@@]2([H])O[C@@]22[C@@]1(C([H])([H])[H])C([H])([H])C([H])=C1[C@]3(C([H])=C([H])C(=O)C(C([H])([H])[H])(C([H])([H])[H])[C@]3([H])C([H])([H])C(=O)[C@@]21C([H])([H])[H])C([H])([H])[H]