2-Chloro-4-fluoro-3-(fluoromethyl)-6-(trifluoromethoxy)pyridine
2-Chloro-3-fluoro-6-(fluoromethyl)-4-(trifluoromethoxy)pyridine
2-Chloro-3-fluoro-4-(fluoromethyl)-6-(trifluoromethoxy)pyridine
2-Bromo-3-nitro-5-(trifluoromethoxy)pyridine-6-sulfonyl chloride