{
  "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
    }
  },
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    {
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              "refuuid": "743bfa4d-44e5-44c1-9f22-bf0ff9b05ce5",
              "name": "N-ACETYLGLUCOSAMINE",
              "linking_id": "V956696549",
              "ref_pname": "N-ACETYLGLUCOSAMINE",
              "substance_class": "reference",
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              "linking_id": "N08U5BOQ1K",
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              "substance_class": "reference",
              "unii": "N08U5BOQ1K"
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          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ABSOLUTE",
          "defined_stereo": 10,
          "ez_centers": 0,
          "molecular_weight": 364.3489,
          "optical_activity": "UNSPECIFIED",
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          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ABSOLUTE",
          "references": [],
          "defined_stereo": 10,
          "ez_centers": 0,
          "molecular_weight": 364.3489,
          "optical_activity": "UNSPECIFIED",
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        }
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        {
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          "code": "1306943",
          "comments": "RxNorm",
          "type": "PRIMARY",
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          "code_system": "RXCUI",
          "references": [
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          "code": "9012-76-4",
          "type": "GENERIC (FAMILY)",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=9012-76-4",
          "code_system": "CAS",
          "references": [
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            "31f64590-6922-4f48-90f1-038741c1eae6"
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          "code": "23R93M6Y64",
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          "code_system": "FDA UNII"
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        {
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          "code": "23R93M6Y64",
          "type": "PRIMARY",
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          "code_system": "DAILYMED",
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      "substance_class": "polymer",
      "notes": [
        {
          "note": "This is an incomplete polymer record. A more detailed definition may be available soon.",
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          "uuid": null
        }
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          "doc_type": "SRS",
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          "citation": "DailyMed",
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      "definition_type": "PRIMARY",
      "definition_level": "INCOMPLETE",
      "uuid": "a6c4716a-3e43-4b91-a112-dd599b407ebd",
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            "non_numeric_value": "LOW MOLECULAR WEIGHT"
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          "property_type": "CHEMICAL"
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}