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