[H]OC1=C(C(O[H])=C2C(=O)C3=C(C([H])=C(OC([H])([H])[H])C(Cl)=C3O[H])C(=O)C2=C1[H])[C@@]([H])(OC([H])([H])[H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H]