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