The molecule is a HPETE anion obtained by deprotonation of the carboxy group of 9(R)-HPETE; major species at pH 7.3. It is a HPETE anion and a 9-HPETE(1-). It is an enantiomer of a 9(S)-HPETE(1-).
(5Z,7E,9R,11Z,14Z)-9-hydroperoxyicosa-5,7,11,14-tetraenoate