6-Bromo-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
3-Chloro-5-hydroxy-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
5-Chloro-2-(chloromethyl)-3-(trifluoromethoxy)pyridine-4-methanol
2-Bromo-6-(fluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxaldehyde