5-OXO-1,2,3,4-TETRAHYDRO-5H-(1)BENZOPYRANO(3,4-D)PYRIDINES,申请号USD3535327-传众专利搜索

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发明名称	5-OXO-1,2,3,4-TETRAHYDRO-5H-(1)BENZOPYRANO(3,4-D)PYRIDINES
摘要
申请公布号	US3535327(A)	申请公布日期	1970.10.20
申请号	USD3535327	申请日期	1969.03.17
申请人	ARTHUR D. LITTLE INC.	发明人	HARRY G. PARS;FELIX E. GRANCHELLI
分类号	C07C37/055;C07C43/205;C07C45/00;C07C49/84;C07D491/052;(IPC1-7):C07D31/34	主分类号	C07C37/055
代理机构		代理人
主权项
地址

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