1,4-benzoquinone + NADH + H(+) => hydroquinone + NAD(+)
1,4-benzoquinone + nadh + h(+) => hydroquinone + nad(+)
1,4-benzoquinone + NADH + H(+) => hydroquinone + NAD(+)
1,4-benzoquinone + nadh + h(+) => hydroquinone + nad(+)