[
  {
    "molid": "mol33910",
    "smiles": "O=c1cc(-c2ccc(O)c(O)c2)oc2ccccc12",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=c1cc(-c2ccc(O)c(O)c2)oc2ccccc12",
        "std_free_energy": -6.109667778015137,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "O=c1cc(-c2ccc([O-])c(O)c2)oc2ccccc12",
        "std_free_energy": -1.8877713680267334,
        "relative_population": 0.6741426174427415
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "O=c1cc(-c2ccc(O)c([O-])c2)oc2ccccc12",
        "std_free_energy": -1.1607894897460938,
        "relative_population": 0.32585738255725843
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 8.39000034332275,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]