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