4-Chloro-3-(difluoromethyl)-6-fluoropyridine-2-acetonitrile
4-Chloro-3-(difluoromethyl)-5-fluoropyridine-2-acetonitrile
5-(Aminomethyl)-2-bromo-3-(difluoromethyl)pyridine-6-carboxaldehyde
4-(Aminomethyl)-5-bromo-2-(difluoromethyl)pyridine-3-carboxaldehyde