2-Cyano-3-methyl-6-(trifluoromethoxy)pyridine-4-acetonitrile
5-(Difluoromethyl)-4-fluoro-3-hydroxy-2-iodopyridine
2-Chloro-3-hydroxy-4-(trifluoromethoxy)pyridine-5-carboxylic acid
6-(Difluoromethyl)-3-nitro-2-(trifluoromethyl)pyridine-4-sulfonyl chloride