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