(2S)-2-isopropyl-3-oxosuccinate + NADH + H(+) => (2R,3S)-3-isopropylmalate + NAD(+)
(2s)-2-isopropyl-3-oxosuccinate + nadh + h(+) => (2r,3s)-3-isopropylmalate + nad(+)
(2S)-2-isopropyl-3-oxosuccinate + NADH + H(+) => (2R,3S)-3-isopropylmalate + NAD(+)
(2s)-2-isopropyl-3-oxosuccinate + nadh + h(+) => (2r,3s)-3-isopropylmalate + nad(+)