| abstract |
A compound represented by Formula I, wherein M represents Na + , K + , NH4 + , or Cs + ; and 1) when Y represents SO 4 2− : when m=1, then n=1; and when m=0.5, then n=1.5; and 2) when Y represents PO 4 2− , when m=1, then n=2. The compound has good solubility and high bioavailability and can be formulated into oral pharmaceutical preparations and pharmaceutical preparations for injections. |