4-OXA-3-KETO-DELTA**1-PREGNENE DERIVATIVES,申请号USD3644421-传众专利搜索

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发明名称	4-OXA-3-KETO-DELTA**1-PREGNENE DERIVATIVES
摘要
申请公布号	US3644421(A)	申请公布日期	1972.02.22
申请号	USD3644421	申请日期	1968.12.02
申请人	SYNTEX CORP.	发明人	ALEXANDER D. CROSS
分类号	C07J73/00;(IPC1-7):C07D19/00	主分类号	C07J73/00
代理机构		代理人
主权项
地址

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