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