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process for the production of new isomerengemischen of 16 - position by a methyl replaced: 3 amp; alpha; 23 - diacetoxy - 17 (20) epoxydo 21 normethyl - 11 - oxo - 22 - cholen - 24 (20) lactonen
process for the production of new isomerengemischen of 16 - position by a methyl replaced: 3 amp; alpha; 23 - diacetoxy - 17 (20) epoxydo 21 normethyl - 11 - oxo - 22 - cholen - 24 (20) lactonen