[H]OC1=C([H])C(O[H])=C(C([H])=C1[H])[C@@]1([H])OC2=C(C(O[H])=C([H])C(O[H])=C2C(=O)C1([H])[H])C([H])([H])[C@]([H])(C(=C([H])[H])C([H])([H])[H])C([H])([H])C([H])([H])C(=C([H])[H])C([H])([H])[H]