Combating pests with 4-substituted-pyrimidin-6-yl (thiono)-phosphoric (phosphonic) acid esters or ester amides

摘要

4-Substituted-pyrimidin-6-yl (thiono)-phosphoric (phosphonic) acid esters or ester-amides of the formula <IMAGE> in which R represents hydrogen, alkyl, alkoxy, alkylthio or alkylamino, R1 represents halogen, alkoxy, alkylthio or alkylamino, R2 represents alkyl, alkoxy, alkylamino or phenyl, R3 represents alkyl and X and Y, which may be identical or different, represent oxygen or sulphur, WHICH POSSESS ARTHROPODICIDAL AND NEMATICIDAL PROPERTIES.