[
  {
    "molid": "mol20748",
    "smiles": "COc1ccc(OC(=O)NCCN)cc1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "COc1ccc(OC(=O)NCCN)cc1",
        "std_free_energy": -3.1596062183380127,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "COc1ccc(OC(=O)NCC[NH3+])cc1",
        "std_free_energy": -8.862483978271484,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 8.65,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "Baltruschat ChEMBL"
      }
    ]
  }
]