(6.BETA.,11.BETA.,16.ALPHA.)-6,9-DIFLUORO-11,21-DIHYDROXY-16,17-((1-METHYLETHYLIDENE)BIS(OXY))PREGNA-1,4-DIENE-3,20-DIONE
(6.beta.,11.beta.,16.alpha.)-6,9-difluoro-11,21-dihydroxy-16,17-((1-methylethylidene)bis(oxy))pregna-1,4-diene-3,20-dione