abstract |
The present invention relates to compounds of formula (I) Wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , Ar 1 , X, Y, a and b are as defined in claim 1 and are suitable In some cases this enantiomer relates. The active compounds have advantageous insecticidal properties. They are particularly suitable for the control of parasites in and on warm-blooded animals. |