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US4959092A Substituted phenyl (or pyridyl) urea compound and herbicidal composition containing the same as active ingredient 失效
含有与活性成分相同的取代苯基(或吡啶基)脲化合物和除草组合物

Substituted phenyl (or pyridyl) urea compound and herbicidal composition
containing the same as active ingredient
摘要:
The present invention relates to a substituted phenyl(or pyridyl)urea compound and a herbicidal composition containing the substituted phenyl(or pyridyl)urea compound as an active ingredient.The compound has the formula: ##STR1## wherein A represents an alkylene group; B represents a nitrogen atom or CH; R represents a hydrogen atom, a lower alkyl group or a lower alkoxy group;R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently represent a hydrogen atom or a methyl group; and n is 0 or 1.
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