3-(Bromomethyl)-2-cyano-4-hydroxy-6-(trifluoromethoxy)pyridine
4-Chloro-3-fluoro-2-(trifluoromethoxy)pyridine-6-sulfonamide
2-(Bromomethyl)-6-cyano-5-hydroxy-3-(trifluoromethoxy)pyridine
5-Cyano-2-methoxy-4-(trifluoromethoxy)pyridine-3-carboxylic acid