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(+)