4-Fluoro-3-hydroxy-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
4-Fluoro-6-hydroxy-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
4-Cyano-2-fluoro-6-nitro-3-(trifluoromethoxy)pyridine
2-Fluoro-3-methyl-5-(trifluoromethoxy)pyridine-6-carboxylic acid