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