4-Cyano-2-hydroxy-5-(trifluoromethoxy)pyridine-3-sulfonamide
Ethyl 6-chloro-3-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylate
5-Cyano-3-hydroxy-2-(trifluoromethoxy)pyridine-4-sulfonamide
Ethyl 2-chloro-5-(fluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylate