[
  {
    "molid": "mol37528",
    "smiles": "O=C(C=C(O)/C=C/c1ccc(O)cc1)/C=C/c1ccc(O)cc1",
    "microspecies": [
      {
        "id": "-3_1",
        "charge": -3,
        "smiles": "O=C(/C=C([O-])/C=C/c1ccc([O-])cc1)/C=C/c1ccc([O-])cc1",
        "std_free_energy": 9.892995834350586,
        "relative_population": 1.0
      },
      {
        "id": "-2_1",
        "charge": -2,
        "smiles": "O=C(/C=C([O-])/C=C/c1ccc([O-])cc1)/C=C/c1ccc(O)cc1",
        "std_free_energy": 5.303960800170898,
        "relative_population": 0.37448747849250813
      },
      {
        "id": "-2_2",
        "charge": -2,
        "smiles": "O=C(/C=C(O)/C=C/c1ccc([O-])cc1)/C=C/c1ccc([O-])cc1",
        "std_free_energy": 6.637611389160156,
        "relative_population": 0.09868251503798367
      },
      {
        "id": "-2_3",
        "charge": -2,
        "smiles": "O=C(/C=C([O-])/C=C/c1ccc(O)cc1)/C=C/c1ccc([O-])cc1",
        "std_free_energy": 4.96264123916626,
        "relative_population": 0.5268300064695083
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 13.3000001907349,
        "charge_state_pre": -2,
        "charge_state_post": -3,
        "data_source": "QSARToolbox"
      }
    ]
  }
]