21-Acetyloxy-9-fluoro-11-(trifluoroace-tyloxy)-17-hydroxy-16-methylpregna-1,4-diene-3,20-dione

9-Fluoro-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione 21-acetate-11-trifluoroacetate