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