[
  {
    "molid": "mol37665",
    "smiles": "O=C(O)[C@@H](CO)OP(=O)(O)O",
    "microspecies": [
      {
        "id": "-1_3",
        "charge": -1,
        "smiles": "O=C([O-])[C@@H](CO)OP(=O)(O)O",
        "std_free_energy": -9.228145599365234,
        "relative_population": 0.713052885995972
      },
      {
        "id": "-1_4",
        "charge": -1,
        "smiles": "O=C(O)[C@@H](CO)OP(=O)([O-])O",
        "std_free_energy": -8.306708335876465,
        "relative_population": 0.28375702553453463
      },
      {
        "id": "-2_6",
        "charge": -2,
        "smiles": "O=C(O)[C@@H](CO)OP(=O)([O-])[O-]",
        "std_free_energy": -11.088518142700195,
        "relative_population": 0.05308519435610827
      },
      {
        "id": "-2_7",
        "charge": -2,
        "smiles": "O=C([O-])[C@@H](CO)OP(=O)([O-])O",
        "std_free_energy": -13.969825744628906,
        "relative_population": 0.9469115282204082
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 3.54999995231628,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "QSARToolbox"
      }
    ]
  }
]