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