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发明名称
CYANOPYRAZINES ET COMPOSES APPARENTES
摘要
申请公布号
BE769862(A1)
申请公布日期
1972.01.12
申请号
BE19710769862
申请日期
1971.07.12
申请人
E.I. DU PONT DE NEMOURS AND CY, WILMINGTON, DELAWARE (E.U.A.),
发明人
D.R. HARTTER.
分类号
C07C255/61;C07D241/08;C07D241/24;C07D241/26;C08G73/10;(IPC1-7):C07D/
主分类号
C07C255/61
代理机构
代理人
主权项
地址
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