(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine + CoA => (9Z,12Z)-octadecadienoyl-CoA + sn-glycerol 3-phosphocholine
(9z,12z-octadecadienoyl)-sn-glycero-3-phosphocholine + coa => (9z,12z)-octadecadienoyl-coa + sn-glycerol 3-phosphocholine