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