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