| 摘要 |
O,O'-Dialkyl-4,6-diphosphorylated pyrimidines of the formula <IMAGE> (I), in which R and R2 each independently is alkyl, R1 and R3 each independently is alkyl, alkoxy, alkylthio, alkylamino or phenyl, R4 is hydrogen, alkyl, alkoxy, alkylthio or dialkylamino, R5 is hydrogen, halogen or alkyl, and X and Y each independently is oxygen or sulfur, with the proviso that at least one of the radicals, R, R1, R2 and R3 must be different from the others or that X must be different from Y, which possess arthropodicidal and nematicidal properties. |
