Cc1nc(/N=N/c2ccc(C(=O)[O-])cc2)c(COP(=O)([O-])[O-])c(C=O)c1O.[Na+].[Na+].[Na+]
The donor in a hydrogen bond is usually a strongly electronegative atom such as N, O, or F that is covalently bonded to a hydrogen bond. How many hydrogen bond donors does the molecule have?