CCO.O=[PH]([O-])O[PH](=O)[O-].[Na+].[Na+]
Name: sodium hydroxyethane diphosphonate
SMILES: CCO.O=[PH]([O-])O[PH](=O)[O-].[Na+].[Na+]
Molecular formula: C2H8Na2O6P2
Molecular weight: 235.96
Fetching from PubChem (queue #1)