| 摘要 |
A compound of formula: <IMAGE> wherein W represents one or more substituents selected from halo, alkyl, alkoxy, alkoxyalkyl, haloalkyl and haloalkoxy or W represents a bidentate group linking adjacent carbon atoms selected from alkylene and alkylenedioxy; Y is a group of formula <IMAGE> or <IMAGE> or C(X)CHCH2CH(R2) or C(X)CHCHC(R2) wherein X is a group of formula -(CF2)nR3, where R3 is selected from hydrogen, chloro and fluoro, and n is one or two, R1 is selected from hydrogen, chloro, fluoro and hydroxy and R2 is selected from methyl, cyano, ethynyl and hydrogen; Q is selected from carbon bearing a hydrogen atom and nitrogen; and Z represents one or more substituents selected from fluoro, benzyl, phenoxy, chlorophenoxy, fluorophenoxy and bromophenoxy, or any isomer thereof. Processes for preparing these compounds and intermediates for use therein, insecticidal compositions containing these compounds and the use thereof are also disclosed.
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