(11β,16α)-21-[[6-[[1-(2-Deoxy-2,2-difluoro-β-D-erythro-pentofuranosyl)-1,2-dihydro-2-oxo-4-pyrimidinyl]amino]-1,6-dioxohexyl]oxy]-9-fluoro-11,17-dihydroxy-16-methylpregna-1,4-diene-3,20-dione

(11β,16α)-21-[[5-[[1-(2-Deoxy-2,2-difluoro-β-D-erythro-pentofuranosyl)-1,2-dihydro-2-oxo-4-pyrimidinyl]amino]-1,5-dioxopentyl]oxy]-9-fluoro-11,17-dihydroxy-16-methylpregna-1,4-diene-3,20-dione

(11β,16α)-21-[4-[[1-(2-Deoxy-2,2-difluoro-β-D-erythro-pentofuranosyl)-1,2-dihydro-2-oxo-4-pyrimidinyl]amino]-1,4-dioxobutoxy]-9-fluoro-11,17-dihydroxy-16-methylpregna-1,4-diene-3,20-dione