2-(Chloromethyl)-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxylic acid
3-(Bromomethyl)-2-(difluoromethyl)pyridine-5-acetonitrile
2-Cyano-3-(difluoromethyl)-5-iodopyridine
2-(Chloromethyl)-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylic acid