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        "ez_centers": 0,
        "molecular_weight": "136.2344",
        "optical_activity": "( + / - )",
        "references": [
          "4dd5775f-2862-4137-9a8e-c11bf6ad48b2",
          "06dfd1b6-459c-4868-841e-62d2cbddd4d7"
        ],
        "stereo_centers": 1
      },
      "unii": "2KK225M001"
    }
  ]
}