The molecule is an EET(1-) that is the conjugate base of 5,6-EET, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a 5,6-EET.
4-[3-[(2Z,5Z,8Z)-tetradeca-2,5,8-trienyl]oxiran-2-yl]butanoate