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