4-Chloro-3-iodo-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
4-Chloro-6-iodo-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
4-Chloro-2-iodo-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
5-Chloro-2-(chloromethyl)-3-(trifluoromethoxy)pyridine-4-acetic acid