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