(R)-2-ethylmalate + CoA + H(+) => 2-oxobutanoate + acetyl-CoA + H2O
(r)-2-ethylmalate + coa + h(+) => 2-oxobutanoate + acetyl-coa + h2o
(R)-2-ethylmalate + CoA + H(+) => 2-oxobutanoate + acetyl-CoA + H2O
(r)-2-ethylmalate + coa + h(+) => 2-oxobutanoate + acetyl-coa + h2o