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