| 摘要 |
The invention provides new 2-phenoxymethylene-1,4-benzodioxan derivatives of the formula <IMAGE> (I) wherein R1 represents alkyl of 1 to 3 carbon atoms or chlorine, R2 represents hydrogen, alkyl of 1 to 3 carbon atoms and Y represents -O-, -CH2-, -S- or >C=O, a process for their manufacture, pesticidal compositions containing them and a method of combatting insects by using these compounds.
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