A hydrazone compound of the general formula (I): ##STR1## wherein X is halogen; R.sup.1 is hydrogen, optionally substituted C.sub.1 -C.sub.4 alkyl or optionally substituted C.sub.1 -C.sub.4 alkoxy; R.sup.2 's are independently hydrogen or fluorine; R.sup.3 is a group of the general formula: CH.sub.2 R.sup.4 wherein R.sup.4 is cyano or C.sub.1 -C.sub.4 alkoxy; or R.sup.3 is a group of the general formula: SR.sup.5 wherein R.sup.5 is optionally substituted C.sub.1 -C.sub.16 alkyl; optionally substituted phenyl, or the like, has excellent insecticidal activity and rather low toxicity to mammals. The hydrazone compound is useful as an active ingredient of insecticides for controlling harmful insects.
通式(I)的一个腙化合物:##STR1## 其中X是卤素;R.sup.1是氢,可选取代的C.sub.1-C.sub.4烷基或可选取代的C.sub.1-C.sub.4烷氧基;R.sup.2'分别是氢或
氟;R.sup.3是通式的一般公式的基团:CH.sub.2R.sup.4,其中R.sup.4是
氰基或C.sub.1-C.sub.4烷氧基;或R.sup.3是通式的一般公式的基团:SR.sup.5,其中R.sup.5是可选取代的C.sub.1-C.sub.16烷基;可选取代的苯基等。该腙化合物具有优异的杀虫活性,对哺乳动物的毒性相对较低。该腙化合物可用作
杀虫剂的活性成分,以控制有害昆虫。