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