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