label: benzyl 2-methyl-3-oxobutanoate + NADPH + H(+) => benzyl (2R,3S)-2-methyl-3-hydroxybutanoate + NADP(+)
label_lc: benzyl 2-methyl-3-oxobutanoate + nadph + h(+) => benzyl (2r,3s)-2-methyl-3-hydroxybutanoate + nadp(+)