This formulation of 15-deoxy-.DELTA.12,14-PGJ2 contains 90-95% of the trans,trans-.DELTA.12,14 isomer, and 5-10% of other double bond isomers which have similar PPARγ ligand activity (see Catalog No. 18570).

A metabolite of PGD2 formed by the elimination of two molecules of water; binds to PPARγ with an EC₅₀ value of 2 µM.