11-oxygenated spiro [3-oxoandrost-(4-ene and 1, 4-diene)-17, 4'-(2', 5'-dioxo-m-dioxanes)],申请号US19570704842-传众专利搜索

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发明名称	11-oxygenated spiro [3-oxoandrost-(4-ene and 1, 4-diene)-17, 4'-(2', 5'-dioxo-m-dioxanes)]
摘要
申请公布号	US2889321(A)	申请公布日期	1959.06.02
申请号	US19570704842	申请日期	1957.12.23
申请人	G. D. SEARLE & CO.	发明人	BERGSTROM CLARENCE G.
分类号	C07J21/00;C07J61/00;C07J75/00	主分类号	C07J21/00
代理机构		代理人
主权项
地址

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