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