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