An organophosphorus compound having the formula: ##STR1## wherein X is ##STR2## Z is an oxygen atom or a sulfur atom, and each of R.sub.1 and R.sub.2 is an alkyl group which may be substituted by halogen, alkoxy or alkylthio. The compound is useful as an insecticide, miticide, nematicide or soil pesticide.
一种有机
磷化合物,
化学式为:##STR1## 其中X为##STR2##,Z为氧原子或
硫原子,R.sub.1和R.sub.2均为烷基,可被卤素,烷氧基或烷
硫基取代。该化合物可用作
杀虫剂、
杀螨剂、线虫杀剂或土壤
杀虫剂。