3-Cyano-6-(fluoromethyl)-2-nitro-5-(trifluoromethoxy)pyridine
5-Cyano-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetonitrile
Ethyl 6-cyano-3-nitro-4-(trifluoromethoxy)pyridine-2-acetate
5-Cyano-2-(fluoromethyl)-3-nitro-6-(trifluoromethoxy)pyridine