The molecule is a prostaglandin carboxylic acid anion that is the conjugate base of prostaglandin J3. obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a prostaglandin J3.
(Z)-7-[(1S,5R)-5-[(1E,3S,5Z)-3-hydroxyocta-1,5-dienyl]-4-oxocyclopent-2-en-1-yl]hept-5-enoate