trans,trans-2,4-dienoyl-CoA(4-)
trans,trans-2,4-dienoyl-coa(4-)
A 2,3-<i>trans</i>-enoyl CoA(4−) obtained by deprotonation of the phosphate and diphosphate functions of any <i>trans</i>,<i>trans</i>-2,4-dienoyl-CoA; major species at pH 7.3.