The molecule is a polyunsaturated fatty acid anion that is the conjugate base of (8S)-hydroperoxy-(14S,15R)-epoxy-(5Z,9E,11Z)-icosatrienoate, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an (8S)-hydroperoxy-(14S,15R)-epoxy-(5Z,9E,11Z)-icosatrienoic acid.
(5Z,8S,9E,11Z)-8-hydroperoxy-13-[(2S,3R)-3-pentyloxiran-2-yl]trideca-5,9,11-trienoate