| (1-hydroxyethylidene)-diphosphonic aci tetrapotassium salt |
| (1-hydroxyethylidene)diphosphonic acid, tetrapotassium salt |
| ethane-1-hydroxy-1,1-diphosphonic acid, tetrapotassium salt |
| (1-hydroxyethylidene)bis-phosphonic aci tetrapotassium salt |
| tetrapotassium etidronate |
| (1-hydroxyethylidene)-diphosphonic acitetrapotassium salt |
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