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