3-(Chloromethyl)-6-cyano-2-(difluoromethyl)-4-methylpyridine
4-Cyano-2-(difluoromethyl)-5-nitro-3-(trifluoromethyl)pyridine
4-(Chloromethyl)-5-cyano-2-(difluoromethyl)-3-methylpyridine
Ethyl 4-(bromomethyl)-5-cyano-3-(difluoromethyl)pyridine-2-carboxylate