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(+)