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