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A method for the production of delta 4 - 3, 20 - diketopyrrolopyrrole - 6alpha - fluorine - 16alpha, 17alpha, 21 - - trihydroxy compounds of the pregnane and functional derivatives thereof
A method for the production of delta 4 - 3, 20 - diketopyrrolopyrrole - 6alpha - fluorine - 16alpha, 17alpha, 21 - - trihydroxy compounds of the pregnane and functional derivatives thereof