The invention relates to novel compounds of the formula (I)in which X, R1, R2, R3, V and n have the meanings given above, to the use thereof as acaricides and/or insecticides for controlling animal pests and to methods and intermediates for the preparation thereof.本發明係關於新穎的式(I)化合物其中X、R1、R2、R3、V和n係具有上述所給予之意義,其作為殺蟎劑及/或殺昆蟲劑供防治動物害蟲之用途以及用於其製備的方法和中間物。