3-Bromo-2-(bromomethyl)-5-nitro-6-(trifluoromethoxy)pyridine
3-Bromo-5-(bromomethyl)-4-(trifluoromethoxy)pyridine-2-acetonitrile
3-Bromo-2-(bromomethyl)-4-nitro-6-(trifluoromethoxy)pyridine
6-Bromo-2-(bromomethyl)-3-nitro-4-(trifluoromethoxy)pyridine