3-Fluoro-5-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Fluoro-2-(fluoromethyl)-6-hydroxy-5-(trifluoromethoxy)pyridine
Methyl 4-fluoro-5-methyl-3-(trifluoromethoxy)pyridine-2-acetate
5-Fluoro-4-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylic acid