the relative affinities of prostanoids for the [ 3h ] pge2-binding site were determined to be 17,18,19,20-tetranor-16-phenoxy-pge2-methylsulfonylamide ( sulprostone ) approximately pge2 approximately pge1 approximately 16,16-dimethyl-pge2 greater than carbacyclin approximately pgf2 alpha greater than pgd2 .
C0033554
prostanoids
C0012472
pge2