3-Bromo-2-(bromomethyl)-5-(difluoromethyl)pyridine-4-acetonitrile
4-(Aminomethyl)-6-bromo-3-(difluoromethyl)pyridine-2-acetonitrile
3-Bromo-2-(bromomethyl)-4-(difluoromethyl)pyridine-5-acetonitrile
4-(Aminomethyl)-2-bromo-3-(difluoromethyl)pyridine-6-acetonitrile