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