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