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发明名称
11-Difluoromethylene steroids
摘要
11-Difluoromethylene steroids having progestational and anti-progestational properties, useful as anti-fertility agents, are disclosed as well as a process for making the 11-difluoromethylene steroids.
申请公布号
US4567000(A)
申请公布日期
1986.01.28
申请号
US19840646605
申请日期
1984.08.31
申请人
THE UPJOHN COMPANY
发明人
AYER, DONALD E.
分类号
C07F9/40;C07J1/00;C07J21/00;C07J43/00;(IPC1-7):C07J1/00
主分类号
C07F9/40
代理机构
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