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