(2S,3S)-3-hydroxy-2-methylbutanoyl-CoA + NAD(+) => 2-methyl-3-oxobutanoyl-CoA + NADH + H(+)
(2s,3s)-3-hydroxy-2-methylbutanoyl-coa + nad(+) => 2-methyl-3-oxobutanoyl-coa + nadh + h(+)
(2S,3S)-3-hydroxy-2-methylbutanoyl-CoA + NAD(+) => 2-methyl-3-oxobutanoyl-CoA + NADH + H(+)
(2s,3s)-3-hydroxy-2-methylbutanoyl-coa + nad(+) => 2-methyl-3-oxobutanoyl-coa + nadh + h(+)