3,4-dihydroxyphenylacetaldehyde + NAD(+) + H2O <=> 3,4-dihydroxyphenylacetate + NADH + 2 H(+)
3,4-dihydroxyphenylacetaldehyde + nad(+) + h2o <=> 3,4-dihydroxyphenylacetate + nadh + 2 h(+)
3,4-dihydroxyphenylacetaldehyde + NAD(+) + H2O <=> 3,4-dihydroxyphenylacetate + NADH + 2 H(+)
3,4-dihydroxyphenylacetaldehyde + nad(+) + h2o <=> 3,4-dihydroxyphenylacetate + nadh + 2 h(+)