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
3-Chloro-2-fluoro-6-(trifluoromethoxy)pyridine-4-sulfonamide