galactitol 1-phosphate + NAD(+) = keto-D-tagatose 6-phosphate + NADH + H(+)
galactitol 1-phosphate + nad(+) = keto-d-tagatose 6-phosphate + nadh + h(+)
galactitol 1-phosphate + NAD(+) = keto-D-tagatose 6-phosphate + NADH + H(+)
galactitol 1-phosphate + nad(+) = keto-d-tagatose 6-phosphate + nadh + h(+)