butanal + NAD(+) + CoA <=> 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(+)