Compounds of the formulas I, II, or III ##STR1## wherein R is an alkyl group containing 2 to 6 carbon atoms optionally substituted by one or more halogen atoms, a cycloalkyl group containing 3 to 6 ring carbon atoms optionally substituted by one of more alkyl groups containing 1 or 2 carbon atoms, an aryl or aralkyl group containing 6 to 10 carbon atoms optionally ring-substituted by one or more halogen atoms or alkyl groups containing 1 or 2 carbon atoms or an alkoxycarbonyl alkyl group in which the alkyl portions contain from 1 to 6 carbon atoms, are useful as insecticides, particularly against the species of the Order Lepidoptera.
化合物的公式I、II或III ##STR1##其中R是一个含有2到6个碳原子的烷基基团,可以选择地被一个或多个卤素原子取代,一个含有3到6个环碳原子的环烷基基团,可以选择地被一个或多个含有1或2个碳原子的烷基基团取代,一个含有6到10个碳原子的芳基或芳基烷基基团,可以选择地被一个或多个卤素原子或含有1或2个碳原子的烷基基团取代,或者是一个碳原子数为1到6的烷氧羰基烷基基团,对鳞翅目物种的
杀虫剂,特别有效。