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