[H]OC1=C(C(=O)O\C1=C(\C(=O)OC([H])([H])[H])C1=C([H])C(Cl)=C(OC([H])([H])[H])C(Cl)=C1[H])C1=C([H])C([H])=C(OC([H])([H])[H])C([H])=C1[H]