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