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