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
4-Bromo-5-(difluoromethyl)-2-iodopyridine-3-carboxylic acid