| abstract |
"compound, composition, composition to protect an animal from an invertebrate parasitic pest, method for controlling an invertebrate pest, treated seed and use of a compound" the present invention relates to compounds of formula 1, where x is o or s; y is o or s; and r1, r2, r3 and r4 are defined in the description. there are also presented compositions containing the compounds of formula 1 and methods for controlling an invertebrate pest which comprise bringing the invertebrate pest or its habitat into contact with a biologically effective amount of a compound or composition of the present invention. |