Benzamidoacetonitriles and their use as antiparasitics

摘要

Benzamidoacetonitrile compounds of the formula (I) and enantioners thereof are disclosed, wherein R3, R4, R5, R6, R7, R8, Ar2, Q1, Q2, a, b and n are as defined in the specification. These compounds as active ingredients have pesticidal properties. They are especially suitable for controlling parasites in warm-blooded animals.