[
  {
    "molid": "mol33793",
    "smiles": "O=c1c(-c2ccc(O)cc2)coc2cc(O)ccc12",
    "microspecies": [
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "O=c1c(-c2ccc([O-])cc2)coc2cc(O)ccc12",
        "std_free_energy": -1.4989831447601318,
        "relative_population": 0.18999143165680318
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "O=c1c(-c2ccc(O)cc2)coc2cc([O-])ccc12",
        "std_free_energy": -2.9490489959716797,
        "relative_population": 0.8100085683431969
      },
      {
        "id": "-2_1",
        "charge": -2,
        "smiles": "O=c1c(-c2ccc([O-])cc2)coc2cc([O-])ccc12",
        "std_free_energy": 6.19270133972168,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 9.19999980926514,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "QSARToolbox"
      }
    ]
  }
]