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