3-(Fluoromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
3-(Fluoromethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine-6-carboxaldehyde
3-(Fluoromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine-5-carboxaldehyde
Methyl 6-(fluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylate