Methyl 5-(difluoromethyl)-4-iodo-3-(trifluoromethyl)pyridine-2-carboxylate
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