6-(Fluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-(Fluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
Methyl 2-hydroxy-4-methyl-6-(trifluoromethoxy)pyridine-3-acetate
Methyl 2-hydroxy-4-methyl-3-(trifluoromethoxy)pyridine-6-acetate