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