2-Chloro-6-(difluoromethyl)-4-nitropyridine-3-sulfonamide
4-(Aminomethyl)-5-chloro-2-(difluoromethyl)pyridine-3-acetonitrile
4-(Aminomethyl)-6-chloro-2-(difluoromethyl)pyridine-3-acetonitrile
Ethyl 2-cyano-3-(difluoromethyl)-6-hydroxypyridine-4-carboxylate