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