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