[
  {
    "molid": "mol18989",
    "smiles": "CCc1nc(N)nc(N)c1-c1ccc2c(c1)N(CCCOC)C(=O)CO2",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CCc1nc(N)nc(N)c1-c1ccc2c(c1)N(CCCOC)C(=O)CO2",
        "std_free_energy": -5.153908729553223,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "CCc1[nH+]c(N)nc(N)c1-c1ccc2c(c1)N(CCCOC)C(=O)CO2",
        "std_free_energy": -6.453235626220703,
        "relative_population": 0.4799902886227618
      },
      {
        "id": "1_2",
        "charge": 1,
        "smiles": "CCc1nc([NH3+])nc(N)c1-c1ccc2c(c1)N(CCCOC)C(=O)CO2",
        "std_free_energy": -5.397319793701172,
        "relative_population": 0.16697599158901144
      },
      {
        "id": "1_3",
        "charge": 1,
        "smiles": "CCc1nc(N)[nH+]c(N)c1-c1ccc2c(c1)N(CCCOC)C(=O)CO2",
        "std_free_energy": -4.910364151000977,
        "relative_population": 0.1026057933396838
      },
      {
        "id": "1_4",
        "charge": 1,
        "smiles": "CCc1nc(N)nc([NH3+])c1-c1ccc2c(c1)N(CCCOC)C(=O)CO2",
        "std_free_energy": -5.802640914916992,
        "relative_population": 0.250427926448543
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 8.0,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "Baltruschat ChEMBL"
      }
    ]
  }
]