prop-2-ynal + NAD(+) + H2O => propynoate + NADH + 2 H(+)
prop-2-ynal + nad(+) + h2o => propynoate + nadh + 2 h(+)
prop-2-ynal + NAD(+) + H2O => propynoate + NADH + 2 H(+)
prop-2-ynal + nad(+) + h2o => propynoate + nadh + 2 h(+)