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