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