| 摘要 |
The present invention is directed to novel pyrazole derivatives and their use as pesticidal agents. The pyrazole derivatives have Formula I:or a salt thereof, whereR1 represents R5O, R5SO2, R5SO or R5S in which R5 is as defined herein;X is halo, cyano, C1-6 alkoxycarbonyl, C2-6 alkynyl, optionally substituted C6-14 aryl or an optionally substituted 5- to 7-membered heteroaromatic ring linked to thiazole via a carbon-carbon bond;R2 is hydrogen, amino, chloro, bromo, iodo, cyano, C1-6 alkoxy, C1-6 alkyl or C6-10 aryl; andR3-R7 each represent hydrogen, halogen, straight- or branched-chain C1-4 alkyl or C1-4 alkoxy, either of which is unsubstituted or substituted by one or more halogen atoms, straight- or branched-chain C1-4 alkylthio or C1-4 alkylsulphinyl, either of which is substituted by one or more halogen atoms, nitro, cyano, or straight- or branched-chain C1-4 alkylsulphonyl group which is unsubstituted or substituted by one or more halogen atoms.
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