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