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