N-ACYLAMINOACETONITRILE DERIVATIVES AND THEIR USE FOR CONTROLLING PARASITES.

摘要

The invention relates to compounds of the general formula I in which R1, R2, R3, R4, R5, R6 , W, X, A1, A2, a, b and c are as defined in claim 1, and to any enantiomers thereof. The active ingredients have advantageous pesticidal properties. They are particularly suitable for controlling parasites in warm-blooded animals.