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