3-Methoxy-6-nitro-2-(trifluoromethoxy)pyridine-5-acetonitrile
5-Methoxy-2-nitro-3-(trifluoromethoxy)pyridine-6-acetonitrile
Ethyl 3-iodo-4-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-2-carboxylate
4-Methoxy-3-nitro-6-(trifluoromethoxy)pyridine-2-acetonitrile