[
  {
    "molid": "mol35465",
    "smiles": "Cc1cc(/N=N/c2ccc(S(=O)(=O)O)cc2)cc(C)c1O",
    "microspecies": [
      {
        "id": "-1_3",
        "charge": -1,
        "smiles": "Cc1cc(/N=N/c2ccc(S(=O)(=O)[O-])cc2)cc(C)c1O",
        "std_free_energy": -9.782734870910645,
        "relative_population": 0.9999767473231803
      },
      {
        "id": "-2_1",
        "charge": -2,
        "smiles": "Cc1cc(/N=N/c2ccc(S(=O)(=O)[O-])cc2)cc(C)c1[O-]",
        "std_free_energy": -1.348063349723816,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 8.09000015258789,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "QSARToolbox"
      }
    ]
  }
]