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