12255-72-0 12313-64-3 Arsenic acid (H12As2O11), magnesium salt (1:6) Arsenic acid, magnesium salt (1:6) Magnesium arsenate (Mg6As3O11) Magnesium arsenate oxide (Ma6(AsO4)2O3) Magnesium arsenide oxide (Mg6As2O11)