2-Cyano-3-iodo-6-(trifluoromethoxy)pyridine-4-sulfonamide
3-Chloro-6-fluoro-2-(fluoromethyl)-5-(trifluoromethoxy)pyridine
Methyl 3-cyano-5-fluoro-4-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 5-cyano-4-fluoro-2-(trifluoromethoxy)pyridine-3-carboxylate