[
  {
    "molid": "mol18496",
    "smiles": "O=C(O)CC(C(=O)O)n1ccnc1",
    "microspecies": [
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "O=C([O-])C[C@H](C(=O)[O-])n1cc[nH+]c1",
        "std_free_energy": -12.727165222167969,
        "relative_population": 0.9128577140899367
      },
      {
        "id": "-1_3",
        "charge": -1,
        "smiles": "O=C(O)C[C@H](C(=O)[O-])n1ccnc1",
        "std_free_energy": -9.942709922790527,
        "relative_population": 0.05638057727869367
      },
      {
        "id": "-2_1",
        "charge": -2,
        "smiles": "O=C([O-])C[C@H](C(=O)[O-])n1ccnc1",
        "std_free_energy": -11.085124015808105,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 7.32,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "Baltruschat ChEMBL"
      }
    ]
  }
]