72498-89-6 9beta,11beta-Epoxy-6alpha-fluoro-17,21-dihydroxypregna-1,4-diene-3,20-dione 17,21-di(acetate) EINECS 276-705-4 Pregna-1,4-diene-3,20-dione, 17,21-bis(acetyloxy)-9,11-epoxy-6-fluoro-, (6alpha,9beta,11beta)-