2-demethylmenaquinol-8 + NAD(+) => 2-demethylmenaquinone-8 + NADH + H(+)
2-demethylmenaquinol-8 + nad(+) => 2-demethylmenaquinone-8 + nadh + h(+)
2-demethylmenaquinol-8 + NAD(+) => 2-demethylmenaquinone-8 + NADH + H(+)
2-demethylmenaquinol-8 + nad(+) => 2-demethylmenaquinone-8 + nadh + h(+)