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