3-Cyano-5-fluoro-6-(fluoromethyl)-2-(trifluoromethoxy)pyridine
2-Bromo-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetonitrile
2-Cyano-4-fluoro-3-(trifluoromethoxy)pyridine-6-acetonitrile
3-Chloro-2-(difluoromethyl)-6-methyl-4-(trifluoromethoxy)pyridine