Ethyl 3-chloro-2-cyano-6-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 2-bromo-5-(fluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 6-bromo-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylate
4-Chloro-3-hydroxy-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride