(2R)-hydroxy-4-methylpentanoate + NAD(+) = 4-methyl-2-oxopentanoate + NADH + H(+)
(2r)-hydroxy-4-methylpentanoate + nad(+) = 4-methyl-2-oxopentanoate + nadh + h(+)
(2R)-hydroxy-4-methylpentanoate + NAD(+) = 4-methyl-2-oxopentanoate + NADH + H(+)
(2r)-hydroxy-4-methylpentanoate + nad(+) = 4-methyl-2-oxopentanoate + nadh + h(+)