| 摘要 |
Methods of combating pests with substituted pyrimidines of the formula I <IMAGE> I where R1 is alkyl, cycloalyl, haloalkyl, alkoxy, alkylthio or substituted or unsubstituted aryl, R2 is halogen or hydrogen, A is oxygen, or sulfur, and X is CH or N, and pyrimidines of the general formula Ia <IMAGE> Ia where A is oxygen or sulfur and X is CH or N, and pesticides containing these compounds.
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