2-Iodo-3-nitro-5-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
2-Iodo-3-nitro-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
2-(Chloromethyl)-5-iodo-3-nitro-4-(trifluoromethoxy)pyridine
5-(Bromomethyl)-3-iodo-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine