preferred_name: a carboxylate + NADH + 2 H(+) => an aldehyde + NAD(+) + H2O
preferred_name_lc: a carboxylate + nadh + 2 h(+) => an aldehyde + nad(+) + h2o
label: a carboxylate + NADH + 2 H(+) => an aldehyde + NAD(+) + H2O
label_lc: a carboxylate + nadh + 2 h(+) => an aldehyde + nad(+) + h2o