Methyl 3-iodo-4-nitro-6-(trifluoromethoxy)pyridine-2-carboxylate
2-Iodo-4-nitro-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
Methyl 3-iodo-4-nitro-2-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 3-iodo-2-nitro-6-(trifluoromethoxy)pyridine-4-carboxylate