The molecule is the 13,14-dihydro derivative of 15-oxo-prostaglandin E2. It derives from a prostaglandin E2. It is a conjugate acid of a 13,14-dihydro-15-oxo-prostaglandin E2(1-).
(Z)-7-[(1R,2R,3R)-3-hydroxy-5-oxo-2-(3-oxooctyl)cyclopentyl]hept-5-enoic acid