4-(Fluoromethyl)-2-iodo-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
2-(Chloromethyl)-5-iodo-3-(trifluoromethoxy)pyridine-4-acetic acid
3-(Fluoromethyl)-5-iodo-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
6-(Chloromethyl)-4-iodo-3-(trifluoromethoxy)pyridine-2-acetic acid