6-Fluoro-4-(fluoromethyl)-2-nitro-3-(trifluoromethoxy)pyridine
3-Fluoro-2-methyl-6-(trifluoromethoxy)pyridine-4-carbonyl chloride
5-(Chloromethyl)-2-fluoro-4-nitro-3-(trifluoromethoxy)pyridine
3-(Chloromethyl)-5-fluoro-4-nitro-2-(trifluoromethoxy)pyridine