A compound of formula: CXY.dbd.CH--CR.sup.1 R.sup.2 --CH.sub.2 OCH.sub.2 R wherein X and Y are each selected from hydrogen and halogen, R.sup.1 and R.sup.2 are each lower alkyl of up to four carbon atoms, or together with the adjacent carbon atom form a cycloalkyl group of up to six carbon atoms, and R represents a phenoxy- or benzyl-substituted phenyl group which may optionally be substituted with fluorine. The compounds are useful for combating insect pests.
一种化合物的
化学式为:CXY.dbd.CH--CR.sup.1 R.sup.2 --CH.sub.2 OCH.sub.2 R,其中X和Y分别选自氢和卤素,R.sup.1和R.sup.2分别是最多含有四个碳原子的低碳烷基,或者与相邻的碳原子一起形成最多含有六个碳原子的环烷基,R代表一个苯氧基或苄基取代的苯基,该苯基可选择性地取代
氟。这些化合物可用于对抗昆虫害。