2-Chloro-4-(fluoromethyl)-3-iodo-5-(trifluoromethoxy)pyridine
2-Bromo-4-methyl-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
2-Chloro-3-(fluoromethyl)-5-iodo-6-(trifluoromethoxy)pyridine
2-Bromo-3-methyl-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride