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