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