5-pyridoxolactone + NADH + H(+) => isopyridoxal + NAD(+)
5-pyridoxolactone + nadh + h(+) => isopyridoxal + nad(+)
5-pyridoxolactone + NADH + H(+) => isopyridoxal + NAD(+)
5-pyridoxolactone + nadh + h(+) => isopyridoxal + nad(+)