4-Cyano-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-acetonitrile
2-Fluoro-4-hydroxy-6-(trifluoromethoxy)pyridine-3-methanol
6-Cyano-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetonitrile
2-Cyano-4-fluoro-6-(fluoromethyl)-3-(trifluoromethoxy)pyridine