2-Iodo-5-nitro-6-(trifluoromethoxy)pyridine-3-acetonitrile
4-Iodo-5-nitro-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
4-Iodo-6-nitro-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
4-Iodo-2-nitro-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine