[H]OC1=C(O[H])C([H])=C(C([H])=C1[H])C([H])([H])[C@@]1([H])C(=O)OC([H])([H])[C@]1([H])C([H])([H])C1=C([H])C2=C(OC([H])([H])O2)C([H])=C1[H]