Patent ID: 8084452

Claim:
A compound of formula (I) in which A represents one of the radicals pyrimidinyl, pyrazolyl, thiophenyl, oxazolyl, isoxazolyl, 1,2,4-oxadiazolyl, isothiazolyl, 1,2,4-triazolyl or 1,2,5-thiadiazolyl which are optionally substituted by fluorine, chlorine, bromine, cyano, nitro, C 1 -C 4 -alkyl (which is optionally substituted by fluorine and/or chlorine), C 1 -C 3 -alkylthio (which is optionally substituted by fluorine and/or chlorine), or C 1 -C 3 -alkylsulphonyl (which is optionally substituted by fluorine and/or chlorine), or A represents a radical in which X represents halogen, alkyl or haloalkyl, Y represents halogen, alkyl, haloalkyl, haloalkoxy, azido or cyano, B represents oxygen, sulphur or methylene, R 1 represents haloalkyl, haloalkenyl, halocycloalkyl or halocycloalkylalkyl, R 2 represents hydrogen or halogen and R 3 represents hydrogen or alkyl.