(9Z,12Z)-octadecadienoyl-CoA + FAD + H(+) => (2E,9Z,12Z)-octadecatrienoyl-CoA + FADH2
(9z,12z)-octadecadienoyl-coa + fad + h(+) => (2e,9z,12z)-octadecatrienoyl-coa + fadh2
(9Z,12Z)-octadecadienoyl-CoA + FAD + H(+) => (2E,9Z,12Z)-octadecatrienoyl-CoA + FADH2
(9z,12z)-octadecadienoyl-coa + fad + h(+) => (2e,9z,12z)-octadecatrienoyl-coa + fadh2