发明名称 Urea derivatives and highly selective herbicidal compositions containing the same
摘要 There are provided novel urea derivatives of the general formula <IMAGE> wherein X, n, A and R are defined in the description; processes for preparing the derivatives and herbicidal composition containing as active ingredient the derivative. The derivatives have highly selective herbicidal activities.
申请公布号 US4358309(A) 申请公布日期 1982.11.09
申请号 US19810247711 申请日期 1981.03.26
申请人 CHUGAI SEIYAKU KABUSHIKI KAISHA 发明人 TAKEMATSU, TETSUO;TAKEUCHI, MASAKI;OKADA, MASANORI;SUGIYAMA, HIROSHI;MURAKAMI, YASUSHI
分类号 A01N47/30;C07C275/34;C07C275/64;(IPC1-7):C07C69/76;C07C127/19;A01N9/20 主分类号 A01N47/30
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