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process for the production of a mixture of a 16 alkyl 3ªÿ, 17ªÿ - dioxy - 15 - pregnen - 11, 20 - dion and a 16 alkyliden - 3ªÿ, 17ªÿ - dioxy - pregnan - 11, 20 - dion
process for the production of a mixture of a 16 alkyl 3ªÿ, 17ªÿ - dioxy - 15 - pregnen - 11, 20 - dion and a 16 alkyliden - 3ªÿ, 17ªÿ - dioxy - pregnan - 11, 20 - dion