| abstract |
The invention relates to compounds of the general formula (I), wherein R1, R2, R3, R4, R5, R6, R7, R8, R8’, R9, W, a, b and n have the significances given in claim 1, and optionally the enantiomers thereof. The active ingredients have advantageous pesticidal properties. They are especially suitable for controlling parasites on warm-blooded animals. |