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        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "158.1538",
        "optical_activity": "NONE",
        "references": [
          "95b6f671-872a-4ff8-80b0-2a1166fee8a3",
          "4d94b885-07d9-44b9-a160-d31b62c8a4d8"
        ],
        "stereo_centers": 0
      },
      "unii": "RBF5ZU7R7K"
    }
  ]
}