The molecule is the trioxilin anion that is the anion formed from trioxilin B3 by deprotonation of its carboxylic acid moiety; major microspecies present at pH 7.3. It is a conjugate base of a trioxilin B3.
(5Z,8Z,11S,12R,14Z)-10,11,12-trihydroxyicosa-5,8,14-trienoate