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US4594352A Alkynyl containing benzoyl-ureas exerting an insecticidal activity 失效
含有苯甲酰脲的炔基具有杀虫活性

Alkynyl containing benzoyl-ureas exerting an insecticidal activity
摘要:
There are described compounds of formula: ##STR1## in which one of R and R.sup.1 is F or Cl and the other is H, F or Cl;X is a 1,4-phenylene or pyridyl bound in positions 2 and 5, optionally substituted;Y is a phenyl, 2- or 3-pyridyl, optionally substituted.The compounds of formula I are endowed with a high insecticide activity which is mainly directed against insect larvae and eggs.
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