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