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