2-methylpropanal + NADH + H(+) => isobutanol + NAD(+)
2-methylpropanal + nadh + h(+) => isobutanol + nad(+)
2-methylpropanal + NADH + H(+) => isobutanol + NAD(+)
2-methylpropanal + nadh + h(+) => isobutanol + nad(+)