A compound of the formula,
wherein R1 is a halogen atom or methyl group, R2 is hydrogen or a halogen atom, R3 is chlorine or bromine atom and R4 is hydrogen or chlorine atom, which is useful as an insecticide.
式的化合物、
其中 R1 是卤素原子或甲基,R2 是氢或卤素原子,R3 是
氯或
溴原子,R4 是氢或
氯原子,可用作
杀虫剂。