[
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    "molid": "mol14029",
    "smiles": "Oc1nc(O)c2[nH]nnc2n1",
    "microspecies": [
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    ],
    "macro_pka_values": [
      {
        "pka_value": 4.2,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Datawarrior"
      },
      {
        "pka_value": 9.3,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "Datawarrior"
      },
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        "pka_value": 9.3000002,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "OCHEM"
      }
    ]
  }
]