17-Ethoxy-6-fluoro-1alpha,2alpha-dihydro-3'H-cyclopropan-(1,2)-9beta,10alpha-pregna-1,4,6-triene-3,20-dione 3'H-Cyclopropa(1,2)pregna-1,4,6-triene-3,20-dione, 17-ethoxy-6-fluoro-1,2-dihydro-, (1alpha,2alpha,9beta,10alpha)- 67580-43-2 DU 41274 DU-41274