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