| 摘要 |
Compounds of the formula <IMAGE> in which R represents halogen, C1-C6-alkyl, C1-C3-haloalkyl, No2, C1-C4-thioalkyl or OCH3, R1, R2 and R3 represent C1-C6-alkyl, X is oxygen or sulfur and n is a whole number in the range of from 1 to 3 exhibit good insecticidal, acaricidal and nematodicidal properties. |
