2-Fluoro-6-(fluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylic acid
2-Fluoro-6-(fluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylic acid
Methyl 5-hydroxy-2-methoxy-3-(trifluoromethoxy)pyridine-6-acetate
2-Hydroxy-4-methoxy-3-(trifluoromethoxy)pyridine-5-acetic acid