2-(Bromomethyl)-5-cyano-3-(difluoromethyl)pyridine-4-carboxaldehyde
Ethyl 2-cyano-5-(difluoromethyl)-3-methylpyridine-6-carboxylate
Methyl 6-(bromomethyl)-3-cyano-4-(difluoromethyl)pyridine-2-carboxylate
Methyl 5-cyano-2-(difluoromethyl)-3-methylpyridine-6-carboxylate