The molecule is a prostaglandin carboxylic acid anion that is the conjugate base of prostaglandin F3alpha, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a prostaglandin F3alpha.
(Z)-7-[(1R,2R,3R,5S)-3,5-dihydroxy-2-[(1E,3S,5Z)-3-hydroxyocta-1,5-dienyl]cyclopentyl]hept-5-enoate