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