[
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    "molid": "mol31393",
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    "macro_pka_values": [
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        "pka_value": 8.89999961853027,
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        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      },
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        "pka_value": 8.97,
        "charge_state_pre": 0,
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        "data_source": "AttenGpKa training set"
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        "pka_value": 6.76999998092651,
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        "pka_value": 6.775,
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        "data_source": "QSARToolbox"
      }
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]