(R)-4-dehydropantoate + NADH + H(+) => (R)-pantoate + NAD(+)
(r)-4-dehydropantoate + nadh + h(+) => (r)-pantoate + nad(+)
(R)-4-dehydropantoate + NADH + H(+) => (R)-pantoate + NAD(+)
(r)-4-dehydropantoate + nadh + h(+) => (r)-pantoate + nad(+)