The molecule is an organophosphate oxoanion obtained by deprotonation of the carboxy and phosphate OH groups of 12-phosphonooxy-(9E)-octadecenoic acid; major species at pH 7.3. It is an organophosphate oxoanion and a monocarboxylic acid anion. It is a conjugate base of a (9E)-12-(phosphonooxy)octadecenoic acid.
(E)-12-phosphonatooxyoctadec-9-enoate