Methods for treatment of inflammatory conditions using s-[4-(3-fluoro-3-methylbutyryloxy) but-2-ynyl] 6α, 9α-difluoro-17α-(furan-2-yl) carbonyloxy-11β-hydroxy-16α-methyl-3-oxoandrosta-1, 4-diene-17β-carbothioate
formula I The present invention relates to methods of treatment of inflammatory conditions using S-[4-(3-fluoro-3-methylbutyryloxy)-but-2-ynyl]6α, 9α-difluoro-17α-(furan-2-yl)carbonyloxy-11β-hydroxy-16α-methyl-3-oxoandrosta-1,4-diene-17β-carbothioate (compound of formula I), a novel anti-inflammatory compound of the androstane series and its processes of preparation.