[H]O[C@@]([H])(C1=C2C([H])=C(OC([H])([H])[H])C([H])=C([H])C2=NC([H])=C1[H])[C@@]1([H])C([H])([H])[C@]2([H])C([H])([H])C([H])([H])[N+]1([O-])C([H])([H])[C@]2([H])C([H])=C([H])[H]