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      "structure": {
        "id": "c2f8c9df-40f1-434d-8390-66ac04402d45",
        "molfile": "\n  Marvin  01132110052D          \n\n 15 12  0  0  0  0            999 V2000\n   -0.6541   -1.2375    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   -1.3685   -0.8250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -1.3685    0.0000    0.0000 C   0  5  0  0  0  0  0  0  0  0  0  0\n   -2.0830   -1.2375    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.6541    0.4125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.6541    1.2375    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0604    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    2.0830    0.1292    0.0000 Cu  0  2  0  0  0  0  0  0  0  0  0  0\n   -0.6541   -1.2375    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   -1.3685   -0.8250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -1.3685    0.0000    0.0000 C   0  5  0  0  0  0  0  0  0  0  0  0\n   -2.0830   -1.2375    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.6541    0.4125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.6541    1.2375    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0604    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  2  0  0  0  0\n  2  3  1  0  0  0  0\n  2  4  1  0  0  0  0\n  3  5  1  0  0  0  0\n  5  6  1  0  0  0  0\n  5  7  2  0  0  0  0\n  9 10  2  0  0  0  0\n 10 11  1  0  0  0  0\n 10 12  1  0  0  0  0\n 11 13  1  0  0  0  0\n 13 14  1  0  0  0  0\n 13 15  2  0  0  0  0\nM  CHG  3   3  -1   8   2  11  -1\nM  STY  1   1 MUL\nM  SCN  1   1 HT \nM  SAL   1 14   1   2   3   4   5   6   7   9  10  11  12  13  14  15\nM  SPA   1  7   1   2   3   4   5   6   7\nM  SDI   1  4   -2.5030   -1.6575   -2.5030    1.6575\nM  SDI   1  4    0.4804    1.6575    0.4804   -1.6575\nM  SMT   1 2\nM  END",
        "smiles": "CC(=O)[CH-]C(=O)C.CC(=O)[CH-]C(=O)C.[Cu+2]",
        "formula": "2C5H7O2.Cu",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "261.7618",
        "optical_activity": "NONE",
        "references": [
          "a9bb5669-5f35-4c27-9c57-52d4a321e2f6",
          "7918431e-2a14-472d-9a77-aa74cf1c2c8c"
        ],
        "stereo_centers": 0
      },
      "unii": "69QQY9TJ8M"
    }
  ]
}