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