{
  "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": "e668380f-6840-4dfb-bc3e-afa7670ec137",
          "code": "1455-77-2",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=1455-77-2",
          "code_system": "CAS",
          "references": [
            "30e83820-8dab-4954-b7ee-6158188d0d7e",
            "766cc082-3aea-4c07-b65d-daafbcecf0e3"
          ]
        },
        {
          "uuid": "b25e309c-14b9-4fd5-8de5-4ff20f4d456d",
          "code": "C531",
          "type": "PRIMARY",
          "url": "https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI%20Thesaurus&code=C531",
          "code_system": "NCI_THESAURUS",
          "references": [
            "30e83820-8dab-4954-b7ee-6158188d0d7e"
          ]
        },
        {
          "uuid": "e2dc6cc1-d590-4bc4-ae01-c3108fd0dc96",
          "code": "D006144",
          "type": "PRIMARY",
          "url": "http://www.ncbi.nlm.nih.gov/mesh/68006144",
          "code_system": "MESH",
          "references": [
            "30e83820-8dab-4954-b7ee-6158188d0d7e"
          ]
        },
        {
          "uuid": "9a32206c-972e-48b0-8797-34e5657c5a72",
          "code": "215-937-2",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.014.489",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "30e83820-8dab-4954-b7ee-6158188d0d7e"
          ]
        },
        {
          "uuid": "c46e138f-a511-4d56-8ec0-2ecda3560c7d",
          "code": "15078",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/15078",
          "code_system": "PUBCHEM",
          "references": [
            "30e83820-8dab-4954-b7ee-6158188d0d7e"
          ]
        },
        {
          "uuid": "da6ef5f7-a65e-d828-c884-05d6d363c9dc",
          "code": "1895",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=1895",
          "code_system": "NSC",
          "references": [
            "bc3703c6-bc42-8844-1099-50830297989e"
          ]
        },
        {
          "uuid": "4253002c-024b-32ce-a824-5296798df5dd",
          "code": "DTXSID0025367",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID0025367",
          "code_system": "EPA CompTox",
          "references": [
            "e7e0d0ca-d0a0-b44c-ddd4-631994e919dd"
          ]
        },
        {
          "uuid": "7af1d61d-8b3e-df2e-8140-576cffc90912",
          "code": "C272",
          "comments": "Pharmacologic Substance[C1909]|Antineoplastic Agent[C274]|Antimetabolite",
          "type": "CONCEPT",
          "url": "https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI%20Thesaurus&code=C272",
          "code_system": "NCI_THESAURUS",
          "references": [
            "f801d4ce-d249-8d57-6548-618bcbab27ce"
          ]
        },
        {
          "uuid": "57672489-1231-4ef9-bf6e-4c75ed4f6c18",
          "code": "I01TWM5267",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "e10bb099-46e3-5411-7e0c-0132988f6a10",
          "code": "75425",
          "type": "PRIMARY",
          "url": "https://www.ebi.ac.uk/chebi/chebiOntology.do?chebiId=CHEBI:75425",
          "code_system": "CHEBI",
          "references": [
            "f801d4ce-d249-8d57-6548-618bcbab27ce"
          ]
        },
        {
          "uuid": "4a33c392-7749-f988-0408-f5194edc8578",
          "code": "167392",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=167392",
          "code_system": "NSC",
          "references": [
            "bc3703c6-bc42-8844-1099-50830297989e"
          ]
        },
        {
          "uuid": "b1968e88-c783-a7e9-b36f-f5b61c11b419",
          "code": "167391",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=167391",
          "code_system": "NSC",
          "references": [
            "bc3703c6-bc42-8844-1099-50830297989e"
          ]
        },
        {
          "uuid": "4604581d-c1e3-8fd1-28fb-a7be8d57711e",
          "code": "166592",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=166592",
          "code_system": "NSC",
          "references": [
            "bc3703c6-bc42-8844-1099-50830297989e"
          ]
        }
      ],
      "relationships": [
        {
          "uuid": "3fa42a0f-f944-44f2-b16a-917095eba224",
          "type": "ACTIVE MOIETY",
          "related_substance": {
            "uuid": "be1a7225-cac6-4c75-b4b0-6d7ba31a5ce5",
            "refuuid": "d8d3727c-30b1-43a3-9f97-6105756e9d7b",
            "name": "GUANAZOLE",
            "unii": "I01TWM5267",
            "linking_id": "I01TWM5267",
            "ref_pname": "GUANAZOLE",
            "substance_class": "reference"
          }
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "d24824eb-f6db-4683-983b-005c75fe5ab1",
          "name": "1H-1,2,4-TRIAZOLE-3,5-DIAMINE",
          "stdName": "1H-1,2,4-TRIAZOLE-3,5-DIAMINE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "bf6be27b-5650-4b10-8919-0f86f1dd8028",
            "af193899-975a-423a-92d5-e3a7f9be6f52"
          ],
          "display_name": false
        },
        {
          "uuid": "549a5113-9add-48c0-81c2-c7212bc8413f",
          "name": "3,5-DIAMINO-1H-1,2,4-TRIAZOLE",
          "stdName": "3,5-DIAMINO-1H-1,2,4-TRIAZOLE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "bf6be27b-5650-4b10-8919-0f86f1dd8028",
            "af193899-975a-423a-92d5-e3a7f9be6f52"
          ],
          "display_name": false
        },
        {
          "uuid": "2e8a6e3a-879e-4fef-97a5-2a80f95daa0b",
          "name": "GUANAZOLE",
          "stdName": "GUANAZOLE",
          "type": "of",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "bf6be27b-5650-4b10-8919-0f86f1dd8028"
          ],
          "display_name": true,
          "domains": [
            "cosmetic"
          ],
          "name_orgs": [
            {
              "uuid": "0b5a583e-25d9-4d96-a696-36aa16cd6873",
              "name_org": "INCI"
            }
          ]
        },
        {
          "uuid": "4d14934a-15c1-44fa-b388-0338edb44b21",
          "name": "MC 51762",
          "stdName": "MC 51762",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "bf6be27b-5650-4b10-8919-0f86f1dd8028",
            "af193899-975a-423a-92d5-e3a7f9be6f52"
          ],
          "display_name": false
        },
        {
          "uuid": "5811cfe3-7a64-4bab-b0e8-3c239bdb2df6",
          "name": "NSC-166592",
          "stdName": "NSC-166592",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "30968bd6-2f57-4bbb-b4ea-9ce026626af9",
            "af193899-975a-423a-92d5-e3a7f9be6f52"
          ],
          "display_name": false
        },
        {
          "uuid": "328ff961-0b14-4f84-91ca-6cd94acbb3f6",
          "name": "NSC-167391",
          "stdName": "NSC-167391",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "30968bd6-2f57-4bbb-b4ea-9ce026626af9",
            "af193899-975a-423a-92d5-e3a7f9be6f52"
          ],
          "display_name": false
        },
        {
          "uuid": "d20fa157-cea1-4b6e-8e10-c37872e99888",
          "name": "NSC-167392",
          "stdName": "NSC-167392",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "30968bd6-2f57-4bbb-b4ea-9ce026626af9",
            "af193899-975a-423a-92d5-e3a7f9be6f52"
          ],
          "display_name": false
        },
        {
          "uuid": "d06378c5-9024-4c62-a093-80399a8ff642",
          "name": "NSC-1895",
          "stdName": "NSC-1895",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "30968bd6-2f57-4bbb-b4ea-9ce026626af9",
            "af193899-975a-423a-92d5-e3a7f9be6f52"
          ],
          "display_name": false
        },
        {
          "uuid": "0378e941-b8d1-4f4a-9e9d-fa12a2449235",
          "name": "S-TRIAZOLE, 3,5-DIAMINO-",
          "stdName": "S-TRIAZOLE, 3,5-DIAMINO-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "bf6be27b-5650-4b10-8919-0f86f1dd8028",
            "af193899-975a-423a-92d5-e3a7f9be6f52"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "bf6be27b-5650-4b10-8919-0f86f1dd8028",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "30968bd6-2f57-4bbb-b4ea-9ce026626af9",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "af193899-975a-423a-92d5-e3a7f9be6f52",
          "citation": "STN (SCIFINDER)",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "30e83820-8dab-4954-b7ee-6158188d0d7e",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390925000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "973a894a-930e-4b70-9ad5-76c09ac8ed55",
          "citation": "SRS import [I01TWM5267]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=I01TWM5267",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390925000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "e7e0d0ca-d0a0-b44c-ddd4-631994e919dd",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=1455-77-2",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "f801d4ce-d249-8d57-6548-618bcbab27ce",
          "doc_type": "SYSTEM",
          "public_domain": true
        },
        {
          "uuid": "61f37f53-5585-c15f-d223-5302c1f89e92",
          "citation": "PCPC",
          "doc_type": "PERSONAL CARE PRODUCTS COUNCIL",
          "public_domain": true
        },
        {
          "uuid": "766cc082-3aea-4c07-b65d-daafbcecf0e3",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "bc3703c6-bc42-8844-1099-50830297989e",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "55b887ae-4bd0-42e8-8aa9-c4c8cdb33029",
          "id": "55b887ae-4bd0-42e8-8aa9-c4c8cdb33029",
          "molfile": "\n  Marvin  01132104272D          \n\n  7  7  0  0  0  0            999 V2000\n    5.3185   -0.7973    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    4.5315   -1.0501    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.2838   -1.8438    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    3.4740   -1.8438    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    3.2060   -1.0695    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.4056   -0.8395    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    3.8650   -0.5731    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n  2  1  1  0  0  0  0\n  2  3  2  0  0  0  0\n  7  2  1  0  0  0  0\n  4  3  1  0  0  0  0\n  5  4  1  0  0  0  0\n  5  6  1  0  0  0  0\n  5  7  2  0  0  0  0\nM  END",
          "smiles": "c1(N)nc(N)n[nH]1",
          "formula": "C2H5N5",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "fe31b3c6-8f5c-42ea-b552-ae33f4d09ed0"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "99.0947",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "d8d3727c-30b1-43a3-9f97-6105756e9d7b",
      "version": "12",
      "structure": {
        "id": "ef59549b-50e8-4cdc-adc6-809d7fc5eb5a",
        "molfile": "\n  Marvin  01132112242D          \n\n  7  7  0  0  0  0            999 V2000\n    3.2060   -1.0695    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.4740   -1.8438    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    4.2838   -1.8438    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    4.5315   -1.0501    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.3185   -0.7973    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    3.8650   -0.5731    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    2.4056   -0.8395    0.0000 N   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  4  3  1  0  0  0  0\n  4  5  1  0  0  0  0\n  6  4  2  0  0  0  0\n  1  6  1  0  0  0  0\n  1  7  1  0  0  0  0\nM  END",
        "smiles": "c1(N)nc(N)n[nH]1",
        "formula": "C2H5N5",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "99.0947",
        "optical_activity": "NONE",
        "references": [
          "973a894a-930e-4b70-9ad5-76c09ac8ed55",
          "bf6be27b-5650-4b10-8919-0f86f1dd8028"
        ],
        "stereo_centers": 0
      },
      "unii": "I01TWM5267"
    }
  ]
}