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