[
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    "molid": "mol22564",
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    "macro_pka_values": [
      {
        "pka_value": 1.95000004768372,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      },
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        "pka_value": 1.91999995708466,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      },
      {
        "pka_value": 2.78,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "AttenGpKa training set"
      },
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        "pka_value": 5.90000009536743,
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        "data_source": "QSARToolbox"
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        "pka_value": 4.41,
        "charge_state_pre": -2,
        "charge_state_post": -3,
        "data_source": "AttenGpKa training set"
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        "pka_value": 6.21,
        "charge_state_pre": -2,
        "charge_state_post": -3,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]