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