{
  "meta": {
    "disclaimer": "Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated. We may limit or otherwise restrict your access to the API in line with our Terms of Service.",
    "terms": "https://open.fda.gov/terms/",
    "license": "https://open.fda.gov/license/",
    "last_updated": "2025-09-19",
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          "smiles": "[OH-]",
          "formula": "HO",
          "atropisomerism": "No",
          "charge": -1,
          "count": 2,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
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            "units": "MOL RATIO",
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          "smiles": "[Zn+2]",
          "formula": "Zn",
          "atropisomerism": "No",
          "charge": 2,
          "count": 3,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
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            "units": "MOL RATIO",
            "uuid": "7a4c99b1-4f7b-41ea-b48a-a11b04933ea3"
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          "smiles": "C(C(=O)[O-])C(CC(=O)[O-])(C(=O)O)O",
          "formula": "C6H6O7",
          "atropisomerism": "No",
          "charge": -2,
          "count": 2,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
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            "units": "MOL RATIO",
            "uuid": "bfb84075-a4a3-4884-b787-47e8a32bd645"
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          "molecular_weight": "190.1079",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "031a5151-2571-43a8-a986-cfd8383340ea",
      "version": "11",
      "structure": {
        "id": "a8fb2ac0-0054-4f39-b31d-bd896e8da633",
        "molfile": "\n   JSDraw205282111142D\n\n 31 24  0  0  0  0              0 V2000\n   28.4270   -8.1884    0.0000 Zn  0  2  0  0  0  0  0  0  0  0  0  0\n   16.2921   -8.1884    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n   17.6500   -7.4069    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   19.0001   -8.1884    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   20.3503   -7.4069    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   21.7004   -8.1884    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   23.0503   -7.4069    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   24.4004   -8.1884    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n   17.6500   -5.8435    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   20.3503   -5.8435    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   20.3503   -8.9624    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   23.0503   -5.8435    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   18.9844   -9.7280    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   21.6924   -9.7439    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n   33.8484   -8.1866    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   28.4270   -8.1884    0.0000 Zn  0  2  0  0  0  0  0  0  0  0  0  0\n   28.4270   -8.1884    0.0000 Zn  0  2  0  0  0  0  0  0  0  0  0  0\n   16.2921   -8.1884    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n   17.6500   -7.4069    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   19.0001   -8.1884    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   20.3503   -7.4069    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   21.7004   -8.1884    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   23.0503   -7.4069    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   24.4004   -8.1884    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n   17.6500   -5.8435    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   20.3503   -5.8435    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   20.3503   -8.9624    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   23.0503   -5.8435    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   18.9844   -9.7280    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   21.6924   -9.7439    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n   33.8484   -8.1866    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  3  9  2  0  0  0  0\n  5 10  1  0  0  0  0\n  5 11  1  0  0  0  0\n  7 12  2  0  0  0  0\n 11 13  2  0  0  0  0\n 11 14  1  0  0  0  0\n  2  3  1  0  0  0  0\n  3  4  1  0  0  0  0\n  4  5  1  0  0  0  0\n  5  6  1  0  0  0  0\n  6  7  1  0  0  0  0\n  7  8  1  0  0  0  0\n 19 25  2  0  0  0  0\n 21 26  1  0  0  0  0\n 21 27  1  0  0  0  0\n 23 28  2  0  0  0  0\n 27 29  2  0  0  0  0\n 27 30  1  0  0  0  0\n 18 19  1  0  0  0  0\n 19 20  1  0  0  0  0\n 20 21  1  0  0  0  0\n 21 22  1  0  0  0  0\n 22 23  1  0  0  0  0\n 23 24  1  0  0  0  0\nM  STY  1   1 MUL\nM  SAL   1  3   1  16  17\nM  SPA   1  1   1\nM  SDI   1  4   27.6328   -8.9826   27.6328   -7.3943\nM  SDI   1  4   29.2212   -7.3943   29.2212   -8.9826\nM  SMT   1 3\nM  STY  1   2 MUL\nM  SAL   2  8   2   3   4   5   6   7   8   9\nM  SAL   2  8  10  11  12  13  14  18  19  20\nM  SAL   2  8  21  22  23  24  25  26  27  28\nM  SAL   2  2  29  30\nM  SPA   2  8   2   3   4   5   6   7   8   9\nM  SPA   2  5  10  11  12  13  14\nM  SDI   2  4   15.4979  -10.5381   15.4979   -5.0493\nM  SDI   2  4   25.1946   -5.0493   25.1946  -10.5381\nM  SMT   2 2\nM  STY  1   3 MUL\nM  SAL   3  2  15  31\nM  SPA   3  1  15\nM  SDI   3  4   33.0542   -8.9807   33.0542   -7.3924\nM  SDI   3  4   34.6426   -7.3924   34.6426   -8.9807\nM  SMT   3 2\nM  CHG  8   1   2   2  -1   8  -1  14  -1  16   2  17   2  18  -1  24  -1\nM  CHG  1  30  -1\nM  END",
        "smiles": "C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.O.O.[Zn+2].[Zn+2].[Zn+2]",
        "formula": "2C6H5O7.3Zn.2H2O",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "610.4172",
        "optical_activity": "NONE",
        "references": [
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      },
      "unii": "021IBV57IL"
    }
  ]
}