| abstract |
In particular, the present invention relates to halogen-substituted compounds of formula (I) wherein the groups A 1 -A 4 , T, n, W, Q, R 1 and Z 1 -Z 3 are as defined in the description of the invention It has meaning. The present invention further relates to compounds of formula I and to a process for the preparation of possible intermediates for the preparation of said compounds. The compounds according to the invention are particularly suitable for controlling insects, arachnids and nematodes in the agricultural sector and for controlling external parasites in the veterinary medicine field. (I) |