[H]OC1=C([H])C(OC([H])([H])[H])=C([H])C(O[H])=C1C(=O)[C@]1([H])C([H])([H])C([H])=C(C([H])([H])C([H])([H])C([H])=C(C([H])([H])[H])C([H])([H])[H])C([H])([H])[C@@]1([H])C1=C([H])C([H])=C([H])C([H])=C1[H]