Methyl 3-bromo-4-(bromomethyl)-2-(difluoromethyl)pyridine-6-carboxylate
4-Chloro-2-cyano-3-(difluoromethyl)pyridine-6-acetonitrile
6-(Aminomethyl)-2-chloro-3-(difluoromethyl)-4-hydroxypyridine
3-Chloro-4-cyano-6-(difluoromethyl)pyridine-2-acetonitrile