2-(Chloromethyl)-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-carbonyl chloride
4-(Chloromethyl)-2-(difluoromethyl)-6-(trifluoromethyl)pyridine
6-(Difluoromethyl)-3-iodopyridine-2-acetonitrile
2-(Chloromethyl)-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-carbonyl chloride