| abstract |
Compounds of formula (I) n n n n n n n n n n whereinn nX is chloro or bromo;n nY is chloro or trifluoromethyl; andn nA and B are hydrogen or methyl with the proviso that one of A or B must be methyl; or the enantiomers or sats thereof,n nuse of compounds of formula I for combating insects or acarids and for treating, controlling, preventing or protecting animals against infestation or infection by parasites, and compositions comprising compounds of formula I. |