4-nitrocatechol + nitrite + NAD(+) + H(+) => 1,3-dinitrobenzene + NADH + O2
4-nitrocatechol + nitrite + nad(+) + h(+) => 1,3-dinitrobenzene + nadh + o2
4-nitrocatechol + nitrite + NAD(+) + H(+) => 1,3-dinitrobenzene + NADH + O2
4-nitrocatechol + nitrite + nad(+) + h(+) => 1,3-dinitrobenzene + nadh + o2