The molecule is a hydroperoxy polyunsaturated fatty acid anion resulting from the deprotonation of the carboxy group of (15S)-hydroperoxy-(11Z,13E)-icosadienoic acid. Major species at pH 7.3. It is a conjugate base of a (15S)-hydroperoxy-(11Z,13E)-icosadienoic acid.
(11Z,13E,15S)-15-hydroperoxyicosa-11,13-dienoate