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