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(+) => an aldehyde + nad(+) + h2o