butanoyl-CoA + NADH + H(+) => butanal + NAD(+) + CoA
butanoyl-coa + nadh + h(+) => butanal + nad(+) + coa
butanoyl-CoA + NADH + H(+) => butanal + NAD(+) + CoA
butanoyl-coa + nadh + h(+) => butanal + nad(+) + coa