The molecule is the conjugate base of prostaglandin E2; major species at pH 7.3. It has a role as an oxytocic and a human metabolite. It is a conjugate base of a prostaglandin E2.
(Z)-7-[(1R,2R,3R)-3-hydroxy-2-[(E,3S)-3-hydroxyoct-1-enyl]-5-oxocyclopentyl]hept-5-enoate