CNc1ncnc2c1ncn2[C@H]1C[C@H](OP(=O)([O-])[O-])[C@@H](COP(=O)([O-])[O-])O1.[Na+].[Na+].[Na+].[Na+]
The distribution coefficient ( Log D ) is important for the analysis of the drug candidate properties in various biologic media with different pH values.  What is the distribution coefficient of this molecule?