| 摘要 |
IMPROVEMENTS IN CHEMICAL COMPOUNDS of the Invention Compounds of the formula I or Ia Ax ¢MDLW11039!.yH20 Ax¢D'(MW11.degree.39 )2 !.YH20 Ia in which A is a cation, x is an integer, M is B, Si or P, D is metal and D' is a lanthanide in oxidation state 3 or 4, L is a neutral or anionic ligand, and y is an integer, have anti-viral activity in a standard screen, and may be used to produce compositions and also coated articles and devices for treatment or prophylactic treatment of patients at risk.
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