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US4064240A 21-Cyclic acetals of steroidal 21-aldehydes and methods of preparation 失效
21-甾体21-醛的环状缩醛及其制备方法

21-Cyclic acetals of steroidal 21-aldehydes and methods of preparation
摘要:
21-Cyclic acetals of steroids of the corticoid series are prepared from the corresponding 21-hydroxy steroids. The products have utility as anti-inflammatory agents.
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