[
  {
    "molid": "mol37732",
    "smiles": "N[C@@H](C[C@@H](O)C(=O)O)C(=O)O",
    "microspecies": [
      {
        "id": "0_2",
        "charge": 0,
        "smiles": "[NH3+][C@@H](C[C@@H](O)C(=O)[O-])C(=O)O",
        "std_free_energy": -5.905267238616943,
        "relative_population": 0.12332907766043477
      },
      {
        "id": "0_3",
        "charge": 0,
        "smiles": "[NH3+][C@@H](C[C@@H](O)C(=O)O)C(=O)[O-]",
        "std_free_energy": -7.866138935089111,
        "relative_population": 0.8763170085602944
      },
      {
        "id": "1_4",
        "charge": 1,
        "smiles": "[NH3+][C@@H](C[C@@H](O)C(=O)O)C(=O)O",
        "std_free_energy": 0.8201325535774231,
        "relative_population": 0.9804974345727846
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 1.91999995708466,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]