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