| 摘要 |
<p>Novel substituted N-3-(3-chloro-5-trifluoro-methyl-2-pyridyloxy)-phenyl-N;-benzoylureas of the formula wherain Rl is fluorine, chlorine, bromine or metbyl, and R2 is hydrogen, fluorine, chlorine or bromine, processes for producing these compounds and compositlons containing them for use in combating pests, particularly in combating ingects which infest plants and animals. The novel compounds are especially effective against larval stages of insects which damage plants by eating.</p> |
