6α,9-Difluoro-11β,17-dihydroxy-16α-methyl-21-[(4-pyridylcarbonyl)oxy]pregna-1,4-diene-3,20-dione

6alpha,9-difluoro-11beta,17,21-trihydroxy-16alpha-methylpregna-1,4-diene-3,20-dione 21-isonicotinate