(Hydroxymethylen)diphosphonsaeure (Hydroxymethylene)diphosphonic acid (Hydroxymethylene)disphosphonic acid 14255-61-9 15468-10-7 Acide oxidronique [INN-French] Acido oxidronico [INN-Spanish] Acidum oxidronicum [INN-Latin] HMDP Hydroxymethanediphosphonic acid OXIDRONIC ACID Oxidronic acid [USAN:BAN:INN] Oxidronsaeure Phosphonic acid, (hydroxymethylene)bis-