156965-22-9Relevant articles and documents
25-Carboxylic acid derivatives in the vitamin D series, process for their production, intermediate products for these processes, pharmaceutical preparations containing these derivatives as well as their use for the production of pharmaceutical agents
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, (2008/06/13)
New 25-carboxylic acid derivatives of general formula I, STR1 R19 and R19a each mean a hydrogen atom or together form an exocyclic methylene group, R21 and R21a independently of one another mean a hydrogen atom,