[
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    "molid": "mol22920",
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    "microspecies": [
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    ],
    "macro_pka_values": [
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        "pka_value": 3.09999990463257,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      },
      {
        "pka_value": 3.1,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "AttenGpKa training set"
      },
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        "pka_value": 5.80000019073486,
        "charge_state_pre": -1,
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        "data_source": "QSARToolbox"
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        "pka_value": 5.8,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]