Methyl 3-(bromomethyl)-4-iodo-2-(trifluoromethoxy)pyridine-6-acetate
Methyl 3-(bromomethyl)-2-iodo-6-(trifluoromethoxy)pyridine-4-acetate
Ethyl 4-(chloromethyl)-2-iodo-5-(trifluoromethoxy)pyridine-3-carboxylate
3-(Chloromethyl)-5-iodo-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine