an aldehyde + NAD(+) + H2O => a carboxylate + NADH + 2 H(+)
an aldehyde + nad(+) + h2o => a carboxylate + nadh + 2 h(+)
an aldehyde + NAD(+) + H2O => a carboxylate + NADH + 2 H(+)
an aldehyde + nad(+) + h2o => a carboxylate + nadh + 2 h(+)