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