Ethyl 4-iodo-2-methoxy-3-(trifluoromethoxy)pyridine-6-acetate
Methyl 5-(chloromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 3-iodo-5-methoxy-6-(trifluoromethoxy)pyridine-2-acetate
Methyl 4-(chloromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylate