- Insecticidal 2,6-difluorobenzoyl derivatives of 4-substituted-1,3-thiazole-2-acetonitriles
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Compounds of the formulas I, II, or III STR1 wherein R is an alkyl group containing 2 to 6 carbon atoms optionally substituted by one or more halogen atoms, a cycloalkyl group containing 3 to 6 ring carbon atoms optionally substituted by one of more alkyl groups containing 1 or 2 carbon atoms, an aryl or aralkyl group containing 6 to 10 carbon atoms optionally ring-substituted by one or more halogen atoms or alkyl groups containing 1 or 2 carbon atoms or an alkoxycarbonyl alkyl group in which the alkyl portions contain from 1 to 6 carbon atoms, are useful as insecticides, particularly against the species of the Order Lepidoptera.
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