The molecule is a monocarboxylic acid anion resulting from the deprotonation of the carboxy group of 8(R)-HPODE. The major species at pH 7.3. It is a monocarboxylic acid anion and a HPODE(1-). It is a conjugate base of an 8(R)-HPODE.
(8R,9Z,12Z)-8-hydroperoxyoctadeca-9,12-dienoate