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