The molecule is the trioxilin anion that is the anion formed from trioxilin A3 by deprotonation of its carboxylic acid moiety; major microspecies present at pH 7.3. It is a conjugate base of a trioxilin A3.
(5Z,9E,11R,12S,14Z)-8,11,12-trihydroxyicosa-5,9,14-trienoate