7-oxolithocholate + NADH + H(+) => chenodeoxycholate + NAD(+)
7-oxolithocholate + nadh + h(+) => chenodeoxycholate + nad(+)
7-oxolithocholate + NADH + H(+) => chenodeoxycholate + NAD(+)
7-oxolithocholate + nadh + h(+) => chenodeoxycholate + nad(+)