a 3-demethylubiquinone + NADPH + 2 H(+) <=> a 3-demethylubiquinol + NADP(+)
a 3-demethylubiquinone + nadph + 2 h(+) <=> a 3-demethylubiquinol + nadp(+)
a 3-demethylubiquinone + NADPH + 2 H(+) <=> a 3-demethylubiquinol + NADP(+)
a 3-demethylubiquinone + nadph + 2 h(+) <=> a 3-demethylubiquinol + nadp(+)