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