(2E)-butenoyl-CoA + CO2 + NADPH => (2S)-ethylmalonyl-CoA + NADP(+)
(2e)-butenoyl-coa + co2 + nadph => (2s)-ethylmalonyl-coa + nadp(+)
(2E)-butenoyl-CoA + CO2 + NADPH => (2S)-ethylmalonyl-CoA + NADP(+)
(2e)-butenoyl-coa + co2 + nadph => (2s)-ethylmalonyl-coa + nadp(+)