The molecule is an unsaturated fatty acid, a carbocyclic fatty acid and an oxo carboxylic acid. It is a conjugate acid of a (15Z)-12-oxophyto-10,15-dienoate.
8-[(1S,5S)-4-oxo-5-[(Z)-pent-2-enyl]cyclopent-2-en-1-yl]octanoic acid