Compounds of the general formula: ##STR1## wherein R.sub.1 and R.sub.2 each independently represents a halogen atom or an alkyl, alkoxy, haloalkyl, haloalkoxy, alkoxycarbonyl, alkenoxy, cyano or nitro group; R.sub.3 and R.sub.4 each independently represents a hydrogen atom or an alkyl group; R.sub.5 represents a hydrogen atom, or an alkyl, alkoxy or alkoxycarbonylalkyl group; X and Y each independently represents an oxygen or sulphur atom or a group N--R, in which R is a hydrogen atom or an alkyl group; n is 0-3; r is 0 or 1; m is 0-4; and A or B represents a group of the general formula: ##STR2## wherein R.sub.6 represents a hydrogen or halogen atom, or an alkyl group; and R.sub.7 represents a halogen atom or an alkyl group; the other of A and B being a hydrogen atom or as for R.sub.1 or R.sub.2, have useful pesticidal activity.
一般公式化合物:##STR1##
其中R1和R2各自独立表示卤素原子或烷基、烷氧基、卤代烷基、卤代烷氧基、烷氧羰基、烯氧基、
氰基或硝基;R3和R4各自独立表示氢原子或烷基;R5表示氢原子,或烷基、烷氧基或烷氧羰基烷基;X和Y各自独立表示氧或
硫原子或N-R基团,其中R表示氢原子或烷基;n为0-3;r为0或1;m为0-4;A或B表示下列一般式的基团:##STR2##
其中R6表示氢或卤素原子,或烷基;R7表示卤素原子或烷基;A和B中的另一个为氢原子或如R1或R2所述,具有有用的杀虫活性。