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