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