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