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