Methyl 3-cyano-6-hydroxy-4-(trifluoromethoxy)pyridine-2-acetate
4-(Chloromethyl)-6-fluoro-3-(trifluoromethoxy)pyridine-2-acetonitrile
2-(Difluoromethyl)-3-hydroxy-4-iodopyridine-6-carboxylic acid
3-Cyano-5-(difluoromethyl)-2-nitro-4-(trifluoromethoxy)pyridine