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