(R)-2-methyl-3-oxopropanoate + NADH + H(+) => (R)-3-hydroxy-2-methylpropanoate + NAD(+)
(r)-2-methyl-3-oxopropanoate + nadh + h(+) => (r)-3-hydroxy-2-methylpropanoate + nad(+)
(R)-2-methyl-3-oxopropanoate + NADH + H(+) => (R)-3-hydroxy-2-methylpropanoate + NAD(+)
(r)-2-methyl-3-oxopropanoate + nadh + h(+) => (r)-3-hydroxy-2-methylpropanoate + nad(+)