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1.
公开(公告)号:US3021327A
公开(公告)日:1962-02-13
申请号:US12538661
申请日:1961-07-20
Applicant: UPJOHN CO
Inventor: BEAL ILL PHILIP F , JACKSON ROBERT W
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2.2-methylene 3-keto delta4 steroidal compounds and process to make the same 失效
Title translation: 2-亚甲基3-酮基delta4类固醇化合物和制备方法相同
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