[
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    "molid": "mol3",
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    "microspecies": [
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        "data_source": "OCHEM"
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        "pka_value": 9.0,
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        "data_source": "AttenGpKa training set"
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        "data_source": "QSARToolbox"
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        "data_source": "OCHEM"
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        "charge_state_post": -3,
        "data_source": "AttenGpKa training set"
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        "pka_value": 10.11,
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        "pka_value": 10.35,
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        "data_source": "AttenGpKa training set"
      }
    ]
  }
]