| abstract |
Compounds of the formula (I) where X is chlorine or bromine, Y is chlorine or trifluoromethyl; and A and B mean hydrogen or methyl, being necessary, that one of the radicals A or B means methyl; use of the compounds of the formula I to fight insects or accharides and to treat, control, prevent or protect animals against infestation or infection by parasites, and compositions comprising compounds of the formula I. |