[
  {
    "molid": "mol35723",
    "smiles": "Nc1nonc1N",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Nc1nonc1N",
        "std_free_energy": -6.582695484161377,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "Nc1no[nH+]c1N",
        "std_free_energy": 3.55865216255188,
        "relative_population": 0.7462664591461678
      },
      {
        "id": "1_2",
        "charge": 1,
        "smiles": "Nc1nonc1[NH3+]",
        "std_free_energy": 4.637450218200684,
        "relative_population": 0.2537335408538321
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 1.94000005722046,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]