Ethyl 6-chloro-3-(chloromethyl)-2-(difluoromethyl)pyridine-4-acetate
Ethyl 2-chloro-3-(chloromethyl)-4-(difluoromethyl)pyridine-6-acetate
4-Chloro-3-(difluoromethyl)-6-(trifluoromethyl)pyridine-2-acetonitrile
2-Chloro-5-(difluoromethyl)-3-iodopyridine-6-sulfonyl chloride