The invention relates inter alia to halogen-substituted compounds of the general formula (I) in which the radicals A1-A4, T, n, W, Q, R1 and Z1-Z3 have the meanings given in the description. Also described are processes for preparing the compounds of the formula (I) and possible intermediates for the preparation of these compounds. The compounds according to the invention are particularly suitable for controlling insects, arachnids and nematodes in agriculture and ectoparasites in veterinary medicine.本發明特別是關於通式(I)經鹵素取代的化合物,其中各基團A1-A4、T、n、W、Q、R1及Z1-Z3具有在發明說明書中提供的意義。本發明也敘述用於製備式(I)化合物之方法及用於製備這些化合物之可能中間物。根據本發明之化合物特別合適在農業中用於防治昆蟲、蜘蛛和線蟲及在獸醫學中用於防治體外寄生蟲。
