The molecule is a prostaglandin Falpha that is prosta-5,13,17-trien-1-oic acid carrying three hydroxy substituents at positions 9alpha, 11alpha and 15. It is a conjugate acid of a prostaglandin F3alpha(1-).
(Z)-7-[(1R,2R,3R,5S)-3,5-dihydroxy-2-[(1E,3S,5Z)-3-hydroxyocta-1,5-dienyl]cyclopentyl]hept-5-enoic acid