12007-62-4 12429-66-2 13703-82-7 Boric acid (H2B4O7), magnesium salt (1:1) Boron magnesium oxide Boron magnesium oxide (B4MgO7) Magnesium borate Magnesium borate (MgB4O7) Magnesium boron oxide (MgB4O7) Magnesium hexaborate Magnesium tetraborate