Ethyl 2-cyano-3-nitro-6-(trifluoromethoxy)pyridine-5-carboxylate
5-Cyano-4-hydroxy-2-iodo-3-(trifluoromethoxy)pyridine
3-Bromo-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-5-acetonitrile
2-(Chloromethyl)-3-(difluoromethyl)-5-hydroxy-6-iodopyridine