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