6-Fluoro-3-methyl-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
2-Cyano-3-(fluoromethyl)-5-iodo-4-(trifluoromethoxy)pyridine
2-Fluoro-5-methyl-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
3-(Chloromethyl)-6-cyano-2-iodo-4-(trifluoromethoxy)pyridine