4-Chloro-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetonitrile
5-Chloro-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-acetonitrile
5-Cyano-4-(difluoromethyl)-2-methyl-3-(trifluoromethoxy)pyridine
3-Chloro-2-(difluoromethyl)-6-nitro-5-(trifluoromethoxy)pyridine