label: 12alpha-hydroxy-3-oxochola-4,6-dien-24-oyl-CoA + NADH + H(+) => 12alpha-hydroxy-3-oxochol-4-en-24-oyl-CoA + NAD(+)
label_lc: 12alpha-hydroxy-3-oxochola-4,6-dien-24-oyl-coa + nadh + h(+) => 12alpha-hydroxy-3-oxochol-4-en-24-oyl-coa + nad(+)