3-Bromo-2-(difluoromethyl)-6-nitro-5-(trifluoromethoxy)pyridine
2-(Chloromethyl)-3-(difluoromethyl)-6-hydroxy-5-iodopyridine
4-(Difluoromethyl)-3-fluoro-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
2-Chloro-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-acetonitrile