4-(Difluoromethyl)-5-iodo-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
5-(Fluoromethyl)-2-iodo-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
3-(Difluoromethyl)-5-iodo-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
4-(Fluoromethyl)-3-iodo-2-(trifluoromethoxy)pyridine-5-carboxaldehyde