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
2-(Bromomethyl)-6-iodo-3-methyl-5-(trifluoromethoxy)pyridine