Heterocyclic compounds and their preparation,申请号US19550544360-传众专利搜索

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发明名称	Heterocyclic compounds and their preparation
摘要
申请公布号	US2790806(A)	申请公布日期	1957.04.30
申请号	US19550544360	申请日期	1955.11.01
申请人	E. I. DU PONT DE NEMOURS AND COMPANY	发明人	MIDDLETON WILLIAM JOSEPH
分类号	C07D213/85;G21K4/00	主分类号	C07D213/85
代理机构		代理人
主权项
地址

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