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Combined synthesis route for etonogestrel and desogestrel
Combined synthesis route for etonogestrel and desogestrel
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机译:依托孕烯和去氧孕烯的联合合成路线
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摘要
The present invention relates to a synthesis route and to steroid derivatives of general formula VI and VII useful in the synthesis of desogestrel and etonogestrel.
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