4-(Bromomethyl)-2-(difluoromethyl)-5-methylpyridine-3-acetonitrile
4-(Bromomethyl)-2-(difluoromethyl)-3-methylpyridine-6-acetonitrile
4-(Bromomethyl)-2-(difluoromethyl)-3-methylpyridine-5-acetonitrile
5-(Bromomethyl)-3-(difluoromethyl)-2-methylpyridine-4-acetonitrile