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          "molecular_weight": "166.1312",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "de440f8b-6f49-499c-adf3-cbd27c171edc",
      "version": "16",
      "structure": {
        "id": "f976d0da-3ebc-4d4b-980f-af4a059330e9",
        "molfile": "\n  Marvin  01132112562D          \n\n 12 12  0  0  0  0            999 V2000\n    0.4212   -0.7236    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.7084   -0.7236    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.2275   -0.7236    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.8995   -0.7236    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.1322    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    2.4679   -1.4291    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.6591   -1.4291    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.4679    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.6591    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000   -1.4291    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    4.1322   -1.4291    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  2  4  1  0  0  0  0\n  3  1  1  0  0  0  0\n  4  9  2  0  0  0  0\n  5  2  2  0  0  0  0\n  6  1  2  0  0  0  0\n  7  8  2  0  0  0  0\n  8  3  1  0  0  0  0\n  9 10  1  0  0  0  0\n 10  3  2  0  0  0  0\n 11  1  1  0  0  0  0\n 12  2  1  0  0  0  0\n  4  7  1  0  0  0  0\nM  END",
        "smiles": "c1cc(ccc1C(=O)O)C(=O)O",
        "formula": "C8H6O4",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "166.1312",
        "optical_activity": "NONE",
        "references": [
          "7211c265-6913-4d2f-8892-5195c9422f06",
          "0eefb953-8411-46db-875a-5e18c75eeb37"
        ],
        "stereo_centers": 0
      },
      "unii": "6S7NKZ40BQ"
    }
  ]
}