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