23389-33-5 CCRIS 6856 Carbonic acid, magnesium salt (1:1), hydrate Carbonic acid, magnesium salt, basic Maalox HRF Magnesium Carbonate [USAN:JAN] Magnesium carbonate Magnesium carbonate (1:1) hydrate Magnesium carbonate, N-hydrate Mylanta Gelcaps