[
  {
    "molid": "mol36320",
    "smiles": "O=C(O)[C@@H]1CCN[C@H](C(=O)O)C1",
    "microspecies": [
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "O=C([O-])[C@@H]1CC[NH2+][C@H](C(=O)[O-])C1",
        "std_free_energy": -14.812982559204102,
        "relative_population": 0.9999008468497089
      },
      {
        "id": "-2_1",
        "charge": -2,
        "smiles": "O=C([O-])[C@@H]1CCN[C@H](C(=O)[O-])C1",
        "std_free_energy": -5.71470308303833,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 10.2700004577637,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "QSARToolbox"
      }
    ]
  }
]