| abstract |
A dicyanoalkane compound of formula (I) wherein R 1 , R 2 , R 3 , R 4 , and A are defined as described herein, or an enantiomer or diastereomer or salt thereof This is the object of the present invention. The same applies to methods and intermediates for preparing compounds of formula (I) and pesticidal compositions comprising compounds of formula (I). Methods of controlling insects, ticks or nematodes, methods of treating, protecting, preventing or protecting animals against parasitism or infection, and methods of protecting and treating seed are also subjects of the present invention. [Selection figure] None |