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
Methyl 2-bromo-5-(fluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylate