2-(Bromomethyl)-3-iodo-6-(trifluoromethoxy)pyridine-4-carboxaldehyde
Methyl 2-(chloromethyl)-6-iodo-3-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 6-(chloromethyl)-3-iodo-4-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 3-(bromomethyl)-4-iodo-2-(trifluoromethoxy)pyridine-6-carboxylate