Methyl 3-hydroxy-5-methoxy-4-(trifluoromethoxy)pyridine-2-carboxylate
3-Hydroxy-5-methoxy-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
Methyl 5-hydroxy-4-methoxy-2-(trifluoromethoxy)pyridine-3-carboxylate
3-Hydroxy-4-methoxy-6-(trifluoromethoxy)pyridine-2-carboxaldehyde