[
  {
    "molid": "mol38614",
    "smiles": "O=c1c(-c2ccc(O)cc2)coc2cc(O)cc(O)c12",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=c1c(-c2ccc(O)cc2)coc2cc(O)cc(O)c12",
        "std_free_energy": -4.98396635055542,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "O=c1c(-c2ccc(O)cc2)coc2cc([O-])cc(O)c12",
        "std_free_energy": -3.195061206817627,
        "relative_population": 0.5523689851374777
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "O=c1c(-c2ccc([O-])cc2)coc2cc(O)cc(O)c12",
        "std_free_energy": -1.7113304138183594,
        "relative_population": 0.12527176299269221
      },
      {
        "id": "-1_3",
        "charge": -1,
        "smiles": "O=c1c(-c2ccc(O)cc2)coc2cc(O)cc([O-])c12",
        "std_free_energy": -2.6565115451812744,
        "relative_population": 0.32235925186983005
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 7.63000011444092,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]