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