{
  "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",
    "results": {
      "skip": 0,
      "limit": 1,
      "total": 1
    }
  },
  "results": [
    {
      "polymer": {
        "uuid": "8b7458a0-a174-4c2e-a17e-308616728911",
        "classification": {
          "uuid": "f684cf54-6216-4b37-a29d-98174ff8755e",
          "polymer_class": "COPOLYMER, CROSSLINKED"
        },
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            "amount": {
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              "type": "WEIGHT PERCENTAGE",
              "average": 8
            },
            "type": "MONOMER",
            "defining": false,
            "monomer_substance": {
              "uuid": "b93e2a2c-be9a-4350-a6ef-709fc52056b7",
              "refuuid": "925b85c7-b77a-4f8a-b826-27d145bbfa59",
              "name": "DIVINYLBENZENE",
              "linking_id": "IZ715T4SBU",
              "ref_pname": "DIVINYLBENZENE",
              "substance_class": "reference",
              "unii": "IZ715T4SBU"
            }
          },
          {
            "uuid": "adef6b9e-be03-4574-917a-d9090534bcfe",
            "amount": {
              "uuid": "dad79a21-78bd-4bd3-a1a8-f4309300def8",
              "type": "WEIGHT PERCENTAGE",
              "average": 92
            },
            "type": "MONOMER",
            "defining": false,
            "monomer_substance": {
              "uuid": "4ac3497a-3623-4dff-a63a-2a3eda9757bb",
              "refuuid": "8a9ed221-b390-473f-b47c-57ab321988b7",
              "name": "STYRENE",
              "linking_id": "44LJ2U959V",
              "ref_pname": "STYRENE",
              "substance_class": "reference",
              "unii": "44LJ2U959V"
            }
          },
          {
            "uuid": "e34ff494-e385-44c9-9bf2-922769eee464",
            "type": "SUBSTITUENT",
            "defining": false,
            "monomer_substance": {
              "uuid": "088666ba-77e3-4f83-9151-3caf790035ab",
              "refuuid": "195e7f7b-1058-46b9-9cf3-8a016538542d",
              "name": "Sulfuric Acid",
              "linking_id": "O40UQP6WCF",
              "ref_pname": "Sulfuric Acid",
              "substance_class": "reference",
              "unii": "O40UQP6WCF"
            }
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          "c6d9ec5c-7b01-471c-9424-6150f15ca716",
          "100b47e4-3b63-406d-8704-3daef789a980"
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          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": 466.5691,
          "optical_activity": "NONE",
          "stereo_centers": 5
        },
        "idealized_structure": {
          "id": "0d966dad-14fc-4b01-ada8-789587416a11",
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  32.9328  -19.6480    0.0000 *   0  0  0  0  0  0  0  0  0  0  0  0\n   35.7708   -5.1630    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   44.5738   -3.5190    0.0000 *   0  0  0  0  0  0  0  0  0  0  0  0\n   20.8878   -9.1510    0.0000 *   0  0  0  0  0  0  0  0  0  0  0  0\n   20.8878   -6.0310    0.0000 *   0  0  0  0  0  0  0  0  0  0  0  0\n   15.4848   -9.1510    0.0000 *   0  0  0  0  0  0  0  0  0  0  0  0\n   15.4848   -6.0310    0.0000 *   0  0  0  0  0  0  0  0  0  0  0  0\n   24.9688  -19.5430    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0\n   26.3198  -18.7630    0.0000 *   0  0  0  0  0  0  0  0  0  0  0  0\n   37.1218   -9.0620    0.0000 *   0  0  0  0  0  0  0  0  0  0  0  0\n   39.8238   -7.5020    0.0000 *   0  0  0  0  0  0  0  0  0  0  0  0\n   39.8238   -4.3820    0.0000 *   0  0  0  0  0  0  0  0  0  0  0  0\n   34.4198   -4.3820    0.0000 *   0  0  0  0  0  0  0  0  0  0  0  0\n   50.1188   -5.2020    0.0000 *   0  0  0  0  0  0  0  0  0  0  0  0\n   55.5108   -4.9420    0.0000 *   0  0  0  0  0  0  0  0  0  0  0  0\n   50.2698   -8.3140    0.0000 *   0  0  0  0  0  0  0  0  0  0  0  0\n   55.6608   -8.0540    0.0000 *   0  0  0  0  0  0  0  0  0  0  0  0\n   41.0747  -19.8451    0.0000 Na  0  3  0  0  0  0  0  0  0  0  0  0\n  2  1  1  0  0  0  0\n  3  2  1  0  0  0  0\n  3  4  1  0  0  0  0\n  5  4  2  0  0  0  0\n  6  5  1  0  0  0  0\n  7  6  2  0  0  0  0\n  8  7  1  0  0  0  0\n  9  8  2  0  0  0  0\n  4  9  1  0  0  0  0\n 10  7  1  0  0  0  0\n 11  3  1  0  0  0  0\n 13 12  1  0  0  0  0\n 14 13  2  0  0  0  0\n 15 14  1  0  0  0  0\n 16 15  2  0  0  0  0\n 17 16  1  0  0  0  0\n 12 17  2  0  0  0  0\n 18 16  1  0  0  0  0\n 18 19  1  0  0  0  0\n 19 20  1  0  0  0  0\n 18 21  1  0  0  0  0\n 22 13  1  0  0  0  0\n 22 23  1  0  0  0  0\n 23 24  1  0  0  0  0\n 25 22  1  0  0  0  0\n 26 43  1  0  0  0  0\n 27 26  2  0  0  0  0\n 28 27  1  0  0  0  0\n 29 28  2  0  0  0  0\n 30 29  1  0  0  0  0\n 43 30  2  0  0  0  0\n 31 30  1  0  0  0  0\n 31 32  1  0  0  0  0\n 32 33  1  0  0  0  0\n 31 34  1  0  0  0  0\n 35 26  1  0  0  0  0\n 35 36  1  0  0  0  0\n 36 44  1  0  0  0  0\n 37 35  1  0  0  0  0\n 39 38  1  0  0  0  0\n 39 40  2  0  0  0  0\n 39 41  2  0  0  0  0\n 42 39  1  0  0  0  0\n  6 45  1  0  0  0  0\n  5 46  1  0  0  0  0\n  8 47  1  0  0  0  0\n  9 48  1  0  0  0  0\n 49 50  1  0  0  0  0\n 29 51  1  0  0  0  0\n 28 52  1  0  0  0  0\n 27 53  1  0  0  0  0\n 43 54  1  0  0  0  0\n 12 55  1  0  0  0  0\n 14 56  1  0  0  0  0\n 17 57  1  0  0  0  0\n 15 58  1  0  0  0  0\nM  STY  1   1 SRU\nM  SCN  1   1 HT \nM  SAL   1  8   4   9   8   7  10   6   5  46\nM  SAL   1  5  45  47  48   3   2\nM  SBL   1  2   1  11\nM  SMT   1 A\nM  SDI   1  4   16.2438   -4.8250   16.2438   -2.8300\nM  SDI   1  4   21.2258   -2.8300   21.2258   -4.8250\nM  STY  1   2 GEN\nM  SAL   2  8  32  31  30  43  26  35  36  27\nM  SAL   2  6  28  29  51  52  53  54\nM  SBL   2  4  34  35  38  39\nM  SDI   2  4   32.7498  -13.3680   32.7498   -1.5600\nM  SDI   2  4   41.0898   -1.5600   41.0898  -13.3680\nM  STY  1   3 GEN\nM  SAL   3  8  19  18  16  17  12  13  22  23\nM  SAL   3  6  14  15  58  56  55  57\nM  SBL   3  4  20  21  24  25\nM  SDI   3  4   50.4908  -11.5050   50.4908   -2.1470\nM  SDI   3  4   56.8578   -2.1470   56.8578  -11.5050\nM  CHG  2  38  -1  59   1\nM  END",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "references": [],
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": 455.4817,
          "optical_activity": "NONE",
          "stereo_centers": 5
        }
      },
      "codes": [
        {
          "uuid": "e9bfd6e6-4a0d-408f-9a2a-93e7a952beab",
          "code": "N0000178378",
          "comments": "Established Pharmacologic Class [EPC]|Potassium Binder [EPC]",
          "type": "PRIMARY",
          "url": "https://nciterms.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=VA_NDFRT&code=N0000178378",
          "code_system": "NDF-RT",
          "references": [
            "341837b9-c57c-4858-b319-4d7a72d98611"
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