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