| 摘要 |
This invention relates to improved azole derivatives of formula (I): where B is O or S; Het is a heterocycle selected from a number of specified heterocycles and R<1>, R<2>, R<3>, R<4>, R<5>, R<6>, R<7>, R<8>, R<9 >and R<10 >are each selected from specified groups; provided that at least one of R<6 >and R<10 >is not hydrogen; and to insecticidal, acaricidal, molluscicidal and nematicidal compositions comprising them and to methods of using them to combat and control insect, acarine, mollusc and nematode pests.
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