2-Hydroxy-4-iodo-6-methoxy-3-(trifluoromethoxy)pyridine
5-Hydroxy-4-methyl-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-Hydroxy-4-methyl-5-(trifluoromethoxy)pyridine-2-carboxaldehyde
3-Hydroxy-2-methyl-6-(trifluoromethoxy)pyridine-5-carboxaldehyde