6-(Aminomethyl)-3-bromo-2-(difluoromethyl)pyridine-4-acetonitrile
5-Bromo-2-(difluoromethyl)-3-iodopyridine-6-carboxylic acid
2-(Aminomethyl)-5-bromo-3-(difluoromethyl)pyridine-4-acetonitrile
2-(Aminomethyl)-4-bromo-6-(difluoromethyl)pyridine-3-acetonitrile