[
  {
    "molid": "mol37163",
    "smiles": "O=P(O)(O)CN1CCOCCOCCN(CP(=O)(O)O)CCOCC1",
    "microspecies": [
      {
        "id": "-4_5",
        "charge": -4,
        "smiles": "O=P([O-])([O-])CN1CCOCCOCCN(CP(=O)([O-])[O-])CCOCC1",
        "std_free_energy": -6.3989105224609375,
        "relative_population": 0.9999997507919628
      },
      {
        "id": "-3_1",
        "charge": -3,
        "smiles": "O=P([O-])([O-])CN1CCOCCOCC[NH+](CP(=O)([O-])[O-])CCOCC1",
        "std_free_energy": -12.724564552307129,
        "relative_population": 0.9921373020065599
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 10.8699998855591,
        "charge_state_pre": -3,
        "charge_state_post": -4,
        "data_source": "QSARToolbox"
      }
    ]
  }
]