2-Chloro-4-fluoro-5-(trifluoromethoxy)pyridine-3-carboxylic acid
2-Chloro-3-fluoro-6-(trifluoromethoxy)pyridine-5-carboxylic acid
3-Chloro-6-fluoro-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
4-Cyano-6-fluoro-3-(trifluoromethoxy)pyridine-2-acetic acid