The invention relates to novel compounds of the formula (I) in which Aa, Ab, R1, R2, R3, R4, R5 and n have the meanings mentioned above, to the use thereof as acaricides and/or insecticides for controlling animal pests and to methods and intermediates for the preparation thereof.本發明關於新穎的式(I)化合物其中Aa、Ab、R1、R2、R3、R4、R5與n具有如說明書中所述之意義,關於其作為殺蟎劑及/或殺昆蟲劑用於控制動物害蟲之用途,以及關於其製備之與中間產物。