{
  "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": [
    {
      "codes": [
        {
          "uuid": "2d50a74e-f016-4caf-a8bc-ee321aee2486",
          "code": "73836-78-9",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=73836-78-9",
          "code_system": "CAS",
          "references": [
            "73b74efc-7209-4b3a-b764-a27512a41483",
            "8bb64771-00e4-44db-b40c-fbcaa93ebe75"
          ]
        },
        {
          "uuid": "470ee505-f28e-4a25-8257-388c40f24b03",
          "code": "m6777",
          "comments": "Merck Index",
          "type": "PRIMARY",
          "url": "https://merckindex.rsc.org/monographs/m6777?q=authorize",
          "code_system": "MERCK INDEX",
          "references": [
            "73b74efc-7209-4b3a-b764-a27512a41483"
          ]
        },
        {
          "uuid": "64788906-bb7b-4ead-adfa-7d73a1817601",
          "code": "5280878",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/5280878",
          "code_system": "PUBCHEM",
          "references": [
            "73b74efc-7209-4b3a-b764-a27512a41483"
          ]
        },
        {
          "uuid": "717e80ca-428f-475f-e256-b5d53491a439",
          "code": "Leukotriene D4",
          "type": "PRIMARY",
          "url": "https://en.wikipedia.org/wiki/Leukotriene_D4",
          "code_system": "WIKIPEDIA",
          "references": [
            "ab4a9e70-88e7-9c84-1538-f82a7106634a"
          ]
        },
        {
          "uuid": "bcca86c7-af2c-6e3e-3a5e-3aad94a6664e",
          "code": "DTXSID6040533",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID6040533",
          "code_system": "EPA CompTox",
          "references": [
            "cb996c4e-6728-144d-62d0-e1740e8806d5"
          ]
        },
        {
          "uuid": "6322d264-5247-be1a-671a-f1d9c283b213",
          "code": "DB11858",
          "type": "PRIMARY",
          "url": "https://go.drugbank.com/drugs/DB11858",
          "code_system": "DRUG BANK",
          "references": [
            "9760e059-faed-3c81-b2ab-71dd9ecfdd6c"
          ]
        },
        {
          "uuid": "2f54d5b5-84f6-44d6-9977-078e19ebdc49",
          "code": "5FNY4416UE",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "50818705-42f3-35d8-d67f-3874f91d7c13",
          "code": "63166",
          "type": "PRIMARY",
          "url": "https://www.ebi.ac.uk/chebi/chebiOntology.do?chebiId=CHEBI:63166",
          "code_system": "CHEBI",
          "references": [
            "9760e059-faed-3c81-b2ab-71dd9ecfdd6c"
          ]
        },
        {
          "uuid": "0671a510-2e21-1f1f-446c-fd6e9a5c7b48",
          "code": "28666",
          "type": "PRIMARY",
          "url": "https://www.ebi.ac.uk/chebi/chebiOntology.do?chebiId=CHEBI:28666",
          "code_system": "CHEBI",
          "references": [
            "9760e059-faed-3c81-b2ab-71dd9ecfdd6c"
          ]
        },
        {
          "uuid": "3639bb03-56c4-d4b2-686a-c01adf881d4e",
          "code": "C180700",
          "type": "PRIMARY",
          "url": "https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI%20Thesaurus&code=C180700",
          "code_system": "NCI_THESAURUS",
          "references": [
            "cb644a46-0904-274d-4315-fe7f877e3ab7"
          ]
        }
      ],
      "relationships": [
        {
          "uuid": "4b7c21c3-f811-4344-8768-cc2a6be7e8bf",
          "amount": {
            "uuid": "9da62e85-83bf-4e1b-9aa1-5cc9b14530ab",
            "average": 0.335,
            "units": "NANOMOLAR"
          },
          "comments": "Binding Assay",
          "qualification": "IC50",
          "type": "TARGET->INHIBITOR",
          "references": [
            "f3b133bc-d86a-44fc-8d4d-396c35f48212"
          ],
          "related_substance": {
            "uuid": "ac9a9660-7f69-4adc-ad70-83d8b6497b97",
            "refuuid": "efed9e06-ad0e-4c4e-b273-8e3ca01abfae",
            "name": "CYSTEINYL LEUKOTRIENE RECEPTOR 1",
            "unii": "LRF7RW46ID",
            "linking_id": "LRF7RW46ID",
            "ref_pname": "CYSTEINYL LEUKOTRIENE RECEPTOR 1",
            "substance_class": "reference"
          }
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "7291bdab-fe7c-4e80-ba24-191298cbc059",
          "name": "GLYCINE, S-((1R,2E,4E,6Z,9Z)-1-((1S)-4-CARBOXY-1-HYDROXYBUTYL)-2,4,6,9-PENTADECATETRAEN-1-YL)-L-CYSTEINYL-",
          "stdName": "GLYCINE, S-((1R,2E,4E,6Z,9Z)-1-((1S)-4-CARBOXY-1-HYDROXYBUTYL)-2,4,6,9-PENTADECATETRAEN-1-YL)-L-CYSTEINYL-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "9127a0db-7fe9-424a-abae-f0417cfd7d93",
            "c306af4c-c8fd-42e1-bdd9-ae35bda6e727"
          ],
          "display_name": false
        },
        {
          "uuid": "c49cd7d4-a62e-4779-a10e-2873b35a0d94",
          "name": "LEUKOTRIENE D",
          "stdName": "LEUKOTRIENE D",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "9127a0db-7fe9-424a-abae-f0417cfd7d93",
            "d4a62b9f-67e2-4121-90c4-89506a18bd18"
          ],
          "display_name": false
        },
        {
          "uuid": "50604cfe-48c1-49e8-bf97-1363c8f67873",
          "name": "LEUKOTRIENE D4",
          "stdName": "LEUKOTRIENE D4",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "75cc1c99-573a-4783-a473-4d927ce13a99",
            "9127a0db-7fe9-424a-abae-f0417cfd7d93",
            "d4a62b9f-67e2-4121-90c4-89506a18bd18"
          ],
          "display_name": true
        },
        {
          "uuid": "fd066b79-5220-4994-9f1b-890f4bfe3716",
          "name": "LEUKOTRIENE D4 [MI]",
          "stdName": "LEUKOTRIENE D4 [MI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "9127a0db-7fe9-424a-abae-f0417cfd7d93",
            "d4a62b9f-67e2-4121-90c4-89506a18bd18"
          ],
          "display_name": false
        },
        {
          "uuid": "cf8ca174-8c38-4167-b5eb-7ed9268aeb43",
          "name": "LTD4",
          "stdName": "LTD4",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "d4a62b9f-67e2-4121-90c4-89506a18bd18"
          ],
          "display_name": false
        },
        {
          "uuid": "1c8c022e-1760-456d-aa31-1eb8dd37f8da",
          "name": "S-((1R,2E,4E,6Z,9Z)-1-((1S)-4-CARBOXY-1-HYDROXYBUTYL)-2,4,6,9-PENTADECATETRAENYL)-L-CYSTEINYLGLYCINE",
          "stdName": "S-((1R,2E,4E,6Z,9Z)-1-((1S)-4-CARBOXY-1-HYDROXYBUTYL)-2,4,6,9-PENTADECATETRAENYL)-L-CYSTEINYLGLYCINE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "9127a0db-7fe9-424a-abae-f0417cfd7d93",
            "d4a62b9f-67e2-4121-90c4-89506a18bd18"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "d4a62b9f-67e2-4121-90c4-89506a18bd18",
          "citation": "MERCK INDEX",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "9127a0db-7fe9-424a-abae-f0417cfd7d93",
          "citation": "MERCK INDEX",
          "doc_type": "MERCK INDEX",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "c306af4c-c8fd-42e1-bdd9-ae35bda6e727",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "73b74efc-7209-4b3a-b764-a27512a41483",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493389680000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "a763acdb-fcab-4d42-8e4d-17e8e99042fb",
          "citation": "SRS import [5FNY4416UE]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=5FNY4416UE",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493389680000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "75cc1c99-573a-4783-a473-4d927ce13a99",
          "citation": "LEUKOTRIENE D4 [MI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "ab4a9e70-88e7-9c84-1538-f82a7106634a",
          "citation": "WIKI",
          "url": "https://en.wikipedia.org/wiki/Leukotriene_D4",
          "doc_type": "WIKI",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "cb996c4e-6728-144d-62d0-e1740e8806d5",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=73836-78-9",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "f3b133bc-d86a-44fc-8d4d-396c35f48212",
          "citation": "eurofinsdiscovery",
          "url": "https://www.eurofinsdiscoveryservices.com/catalogmanagement/viewItem/86",
          "doc_type": "WEB PAGE",
          "public_domain": true,
          "tags": [
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "9760e059-faed-3c81-b2ab-71dd9ecfdd6c",
          "doc_type": "SYSTEM",
          "public_domain": true
        },
        {
          "uuid": "8bb64771-00e4-44db-b40c-fbcaa93ebe75",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "cb644a46-0904-274d-4315-fe7f877e3ab7",
          "citation": "NCIT",
          "doc_type": "NCI THESAURUS",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "848edcf0-1ead-41fc-ae7f-e170176ea76b",
          "id": "848edcf0-1ead-41fc-ae7f-e170176ea76b",
          "molfile": "\n  Marvin  01132106532D          \n\n 34 33  0  0  1  0            999 V2000\n    0.7505  -11.6463    0.0000 C   0  0  1  0  0  0  0  0  0  1  0  0\n    0.0207  -12.0629    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    0.7505  -10.8129    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0337  -10.3962    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0337   -9.5655    0.0000 C   0  0  2  0  0  0  0  0  0  1  0  0\n    0.7505   -9.1773    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.4959   -9.5655    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.1999   -9.1617    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.9167   -9.5655    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.6207   -9.1773    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.4230   -9.1773    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.1683   -9.5810    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.8749   -9.1928    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.6798   -9.1928    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.3993   -9.5965    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.1162   -9.1928    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.8460   -9.5965    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.5655   -9.1928    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.2668   -9.5965    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.6703   -9.1617    0.0000 C   0  0  1  0  0  0  0  0  0  2  0  0\n   -1.3846   -9.5499    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.6703   -8.3465    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -1.3846   -7.9272    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -1.3846   -7.0965    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -2.1170   -6.6823    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -2.1067   -5.8516    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   -2.8365   -7.0809    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    1.4803  -12.0733    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.4803  -12.8808    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    2.1869  -11.6463    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    2.9012  -12.0629    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.6207  -11.6592    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.3220  -12.0629    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    3.6207  -10.8000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  1  0  0  0\n  1  3  1  0  0  0  0\n 28  1  1  0  0  0  0\n  4  3  1  0  0  0  0\n  5  4  1  1  0  0  0\n  5  6  1  0  0  0  0\n 20  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 10  9  1  0  0  0  0\n 10 11  2  0  0  0  0\n 12 11  1  0  0  0  0\n 13 12  1  0  0  0  0\n 13 14  2  0  0  0  0\n 15 14  1  0  0  0  0\n 16 15  1  0  0  0  0\n 17 16  1  0  0  0  0\n 18 17  1  0  0  0  0\n 19 18  1  0  0  0  0\n 20 21  1  1  0  0  0\n 22 20  1  0  0  0  0\n 23 22  1  0  0  0  0\n 24 23  1  0  0  0  0\n 25 24  1  0  0  0  0\n 26 25  1  0  0  0  0\n 27 25  2  0  0  0  0\n 29 28  2  0  0  0  0\n 30 28  1  0  0  0  0\n 31 30  1  0  0  0  0\n 32 31  1  0  0  0  0\n 33 32  1  0  0  0  0\n 34 32  2  0  0  0  0\nM  END",
          "smiles": "CCCCC/C=C\\C/C=C\\C=C\\C=C\\[C@H]([C@H](CCCC(=O)O)O)SC[C@@H](C(=O)NCC(=O)O)N",
          "formula": "C25H40N2O6S",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ABSOLUTE",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "319beaad-7083-48a8-bf13-1e6f8e24ffa6"
          },
          "defined_stereo": 3,
          "ez_centers": 4,
          "molecular_weight": "496.6619",
          "optical_activity": "UNSPECIFIED",
          "stereo_centers": 3
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "293f6098-506f-4022-af76-804eeea62b93",
      "version": "11",
      "structure": {
        "id": "8d2e2012-74e3-42d5-bc50-a67af82cc528",
        "molfile": "\n  Marvin  01132107202D          \n\n 34 33  0  0  1  0            999 V2000\n    6.6798   -9.1928    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.3993   -9.5965    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.1162   -9.1928    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.5655   -9.1928    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.8460   -9.5965    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.2668   -9.5965    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.4230   -9.1773    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.8749   -9.1928    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.1683   -9.5810    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.7505  -11.6463    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n    1.4803  -12.0733    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0207  -12.0629    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    2.1869  -11.6463    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0337  -10.3962    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    3.6207  -11.6592    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.7505  -10.8129    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -2.1170   -6.6823    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.4803  -12.8808    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    2.1999   -9.1617    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.9167   -9.5655    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.4959   -9.5655    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.6207   -9.1773    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.3220  -12.0629    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   -2.1067   -5.8516    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    0.7505   -9.1773    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0337   -9.5655    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0\n    2.9012  -12.0629    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.6703   -9.1617    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n    3.6207  -10.8000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   -2.8365   -7.0809    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   -1.3846   -9.5499    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   -1.3846   -7.0965    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -1.3846   -7.9272    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.6703   -8.3465    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  5  3  1  0  0  0  0\n  6  4  1  0  0  0  0\n  2  1  1  0  0  0  0\n  3  2  1  0  0  0  0\n  8  9  1  0  0  0  0\n  9  7  1  0  0  0  0\n  4  5  1  0  0  0  0\n 11 10  1  0  0  0  0\n 12 10  1  0  0  0  0\n 13 11  1  0  0  0  0\n 14 16  1  0  0  0  0\n 15 27  1  0  0  0  0\n 10 16  1  1  0  0  0\n 17 32  1  0  0  0  0\n 18 11  2  0  0  0  0\n 19 21  1  0  0  0  0\n 20 19  2  0  0  0  0\n 21 25  2  0  0  0  0\n 22 20  1  0  0  0  0\n 23 15  2  0  0  0  0\n 24 17  2  0  0  0  0\n 26 25  1  1  0  0  0\n 26 14  1  0  0  0  0\n 27 13  1  0  0  0  0\n 28 26  1  0  0  0  0\n 29 15  1  0  0  0  0\n 30 17  1  0  0  0  0\n 28 31  1  1  0  0  0\n 32 33  1  0  0  0  0\n 33 34  1  0  0  0  0\n 34 28  1  0  0  0  0\n 22  7  2  0  0  0  0\n  8  1  2  0  0  0  0\nM  END",
        "smiles": "CCCCC/C=C\\C/C=C\\C=C\\C=C\\[C@H]([C@H](CCCC(=O)O)O)SC[C@@H](C(=O)NCC(=O)O)N",
        "formula": "C25H40N2O6S",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ABSOLUTE",
        "defined_stereo": 3,
        "ez_centers": 4,
        "molecular_weight": "496.6619",
        "optical_activity": "UNSPECIFIED",
        "references": [
          "a763acdb-fcab-4d42-8e4d-17e8e99042fb",
          "c306af4c-c8fd-42e1-bdd9-ae35bda6e727"
        ],
        "stereo_centers": 3
      },
      "unii": "5FNY4416UE"
    }
  ]
}