(R)-lactaldehyde + NADH + H(+) => (R)-propane-1,2-diol + NAD(+)
(r)-lactaldehyde + nadh + h(+) => (r)-propane-1,2-diol + nad(+)
(R)-lactaldehyde + NADH + H(+) => (R)-propane-1,2-diol + NAD(+)
(r)-lactaldehyde + nadh + h(+) => (r)-propane-1,2-diol + nad(+)