4-Fluoro-3-(fluoromethyl)-6-(trifluoromethoxy)pyridine-2-acetonitrile
5-(Chloromethyl)-2-cyano-4-nitro-3-(trifluoromethoxy)pyridine
3-Fluoro-5-(fluoromethyl)-6-(trifluoromethoxy)pyridine-2-acetonitrile
3-Cyano-6-(difluoromethyl)-2-nitro-4-(trifluoromethoxy)pyridine