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