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