the order of potency of the prostaglandins was : pge1 greater than pge2 greater than pgf2alpha greater than pgf1alpha , pge1 and pge2 , 1.0 mug per milliliter , stimulated synovial cells , whereas f-series prostaglandins required 5 mug per milliliter for stimulation .
C0012471
pgf2alpha
C0033561
f-series