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Method of preparation of a new ester of dexamethasone, in particular of the 21 - trimethylacetate of the delta - 16alpha - methyl - 9alpha - fluoro - pregnadiene - 11beta, 17alpha, 21 - triol - 3, 20 - dione
Method of preparation of a new ester of dexamethasone, in particular of the 21 - trimethylacetate of the delta - 16alpha - methyl - 9alpha - fluoro - pregnadiene - 11beta, 17alpha, 21 - triol - 3, 20 - dione