The molecule is a polyunsaturated fatty acid anion that is the conjugate base of (12S)-hydroperoxy-(14R,15S)-EET, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a (12S)-hydroperoxy-(14R,15S)-epoxy-(5Z,8Z,10E)-icosatrienoic acid.
(5Z,8Z,10E,12S)-12-hydroperoxy-13-[(2R,3S)-3-pentyloxiran-2-yl]trideca-5,8,10-trienoate