Novel insecticides of the formula ##STR1## in which n is 0 or 1, X is S, O, ##STR2## Y is N or ##STR3## Z is a 5- or 6-membered nitrogen-containing heterocyclic ring, and R to R.sup.9 variously represent hydrogen or specified organic radicals.
该式的新型
杀虫剂为 ##STR1## 其中n为0或1,X为S,O,##STR2## Y为N或##STR3## Z为含有氮的5-或6成员杂环环,R到R.sup.9分别表示氢或指定的有机基团。