4-Bromo-3-chloro-5-iodo-2-(trifluoromethoxy)pyridine
4-Amino-5-(fluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetonitrile
2-Bromo-4-cyano-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
2-Bromo-3-cyano-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride