2-Cyano-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-methanol
4-(Chloromethyl)-5-fluoro-3-(trifluoromethoxy)pyridine-2-carboxylic acid
2-Cyano-5-nitro-3-(trifluoromethoxy)pyridine-6-acetonitrile
2-Cyano-4-nitro-6-(trifluoromethoxy)pyridine-3-acetonitrile