17-ethoxy-6-fluoro-1 alpha, 2 alpha-dihydro-3'H-cyclopropan -(1,2)-9 beta, 10 alpha-pregna-1,4,6-triene-3,20-dione
17-ethoxy-6-fluoro-1 alpha, 2 alpha-dihydro-3'h-cyclopropan -(1,2)-9 beta, 10 alpha-pregna-1,4,6-triene-3,20-dione