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