CO[P@@](=O)([O-])O[P@](=O)([O-])OP(=O)([O-])[O-] mol8915 -4_1 CO[P@@](=O)(O)O[P@](=O)([O-])OP(=O)([O-])[O-] mol8915 -3_1 CO[P@@](=O)([O-])O[P@](=O)(O)OP(=O)([O-])[O-] mol8915 -3_2 CO[P@@](=O)([O-])O[P@](=O)([O-])OP(=O)([O-])O mol8915 -3_3