Methyl 3-bromo-4-hydroxy-6-(trifluoromethoxy)pyridine-2-acetate
Methyl 3-bromo-2-hydroxy-5-(trifluoromethoxy)pyridine-6-acetate
Methyl 3-bromo-4-hydroxy-5-(trifluoromethoxy)pyridine-2-acetate
Methyl 3-bromo-4-hydroxy-2-(trifluoromethoxy)pyridine-5-acetate