2-Fluoro-4-(fluoromethyl)-3-(trifluoromethoxy)pyridine-5-acetonitrile
3-(Difluoromethyl)-5-fluoro-2-nitro-6-(trifluoromethoxy)pyridine
5-(Chloromethyl)-3-fluoro-4-nitro-2-(trifluoromethoxy)pyridine
2-Fluoro-3-(fluoromethyl)-5-(trifluoromethoxy)pyridine-6-acetonitrile