[
  {
    "molid": "mol37308",
    "smiles": "O=P(O)(O)OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O",
    "microspecies": [
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "O=P([O-])(O)OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O",
        "std_free_energy": -11.613412857055664,
        "relative_population": 0.9999989375548384
      },
      {
        "id": "-2_5",
        "charge": -2,
        "smiles": "O=P([O-])([O-])OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O",
        "std_free_energy": -11.44039249420166,
        "relative_population": 0.9999971989260863
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 6.5,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "QSARToolbox"
      }
    ]
  }
]