5-Bromo-4-(difluoromethyl)-3-nitropyridine-2-sulfonyl chloride
3-(Aminomethyl)-6-bromo-2-(difluoromethyl)pyridine-5-acetonitrile
3-Bromo-4-(difluoromethyl)-2-nitropyridine-6-sulfonyl chloride
5-(Aminomethyl)-2-bromo-4-(difluoromethyl)pyridine-3-acetonitrile