Ethyl 2-chloro-3-cyano-4-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 6-bromo-3-methyl-2-(trifluoromethoxy)pyridine-4-carboxylate
3-Bromo-2-iodo-6-(trifluoromethoxy)pyridine-5-sulfonyl chloride
Methyl 3-chloro-6-cyano-4-(trifluoromethoxy)pyridine-2-carboxylate