thymine + NADH + H(+) => 5,6-dihydrothymine + NAD(+)
thymine + nadh + h(+) => 5,6-dihydrothymine + nad(+)
thymine + NADH + H(+) => 5,6-dihydrothymine + NAD(+)
thymine + nadh + h(+) => 5,6-dihydrothymine + nad(+)