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