diethyl 2-methyl-3-oxosuccinate reductase activity
diethyl 2-methyl-3-oxosuccinate reductase activity
diethyl-(2R,3R)-2-methyl-3-hydroxysuccinate:NADP+ 3-oxidoreductase activity
diethyl-(2r,3r)-2-methyl-3-hydroxysuccinate:nadp+ 3-oxidoreductase activity