The molecule is a prostaglandin carboxylic acid anion that is the conjugate base of prostaglandin D2., obtained by deprotonation of the carboxy group; major species at pH 7.3. It has a role as a human metabolite. It is a conjugate base of a prostaglandin D2.
(Z)-7-[(1R,2R,5S)-5-hydroxy-2-[(E,3S)-3-hydroxyoct-1-enyl]-3-oxocyclopentyl]hept-5-enoate