The molecule is an icosanoid anion that is the conjugate base of (5S)-hydroperoxy-(18S)-hydroxy-(6E,8Z,11Z,14Z,16E)-icosapentaenoic acid, arising from deprotonation of the carboxylic acid group; major species at pH 7.3. It is a conjugate base of a (5S)-hydroperoxy-(18S)-hydroxy-(6E,8Z,11Z,14Z,16E)-icosapentaenoic acid.
(5S,6E,8Z,11Z,14Z,16E,18S)-5-hydroperoxy-18-hydroxyicosa-6,8,11,14,16-pentaenoate