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(+) <=> thymine + nadh + h(+)