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