[H]OC1=C([H])C(OC2=C(C(=C(OC3=C(C([H])=C([H])C([H])=C3Cl)C([H])([H])[H])C(=C2Cl)C([H])([H])[H])C([H])([H])[H])C([H])([H])[H])=C(Cl)C(OC([H])([H])[H])=C1O[H]