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
2-Fluoro-4-methyl-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride