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