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Priority to PL358032ApriorityCriticalpatent/PL207060B1/en
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Publication of PL207060B1publicationCriticalpatent/PL207060B1/en
Process for the preparation of 16,17- [(cyclohexylmethylene) bis (oxy)] - 11,21-dihydroxy-pregna-1,4-diene-3,20-dione or its 21-isobutyrate by transketalization