| abstract |
Disclosed is a composition comprising (S) -5-amino-3-cyano-1- (2,6-dichloro-4-trifluoromethylphenyl) -4-trifluoromethylsulphinylpyrazole and (R) -5-amino-3-cyano-1- (2,6-dichloro-4-trifluoromethylphenyl) -4-trifluoromethylsulfinylpyrazole, wherein the S / R weight ratio is at least 1.05. Further disclosed is the use of this composition for the preparation of a pesticidally effective drug for pest control in veterinary medicine, agriculture and healthcare. Also described is (S) -5-amino-3-cyano-1- (2,6-dichloro-4-trifluoromethylphenyl) -4-trifluoromethylsulfinylpyrazole and its use and (R) -5-amino-3-cyano-1- (2,6-dichloro-4-trifluoromethylphenyl) -4-trifluoromethylsulfinylpyrazole. |