[H]OC1=C(O[H])C(=C([H])C([H])=C1[H])C(=O)N([H])[C@]([H])(C([H])([H])O[H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])N([H])C(=O)C1=C(O[H])C(OC([H])([H])[H])=C([H])C([H])=C1[H]