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