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