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