{
  "000140": {
    "description": null,
    "name": "PubChem compound identifier (CID)",
    "obsolete": false
  },
  "000141": {
    "description": null,
    "name": "PubChem substance identifier (SID)",
    "obsolete": false
  },
  "000234": {
    "description": null,
    "name": "PubChem conformer",
    "obsolete": false
  },
  "000302": {
    "description": null,
    "name": "PubMed Identifier",
    "obsolete": false
  },
  "000303": {
    "description": null,
    "name": "GenBank Protein Identifier",
    "obsolete": false
  },
  "000304": {
    "description": null,
    "name": "GenBank Nucleotide Identifier",
    "obsolete": false
  },
  "000405": {
    "description": "Database identifier used by ChemSpider.",
    "name": "ChemSpider",
    "obsolete": false
  },
  "000406": {
    "description": "Database identifier used by DrugBank.",
    "name": "DrugBank",
    "obsolete": false
  },
  "000407": {
    "description": "Database identifier used by ChEBI.",
    "name": "ChEBI",
    "obsolete": false
  },
  "000408": {
    "description": "Database identifier used by Human Metabolome Database.",
    "name": "HMDB",
    "obsolete": false
  },
  "000409": {
    "description": "Database identifier used by KEGG.",
    "name": "KEGG",
    "obsolete": false
  },
  "000411": {
    "description": "Database identifier used by Reactome.",
    "name": "Reactome",
    "obsolete": false
  },
  "000412": {
    "description": "Identifier used by the ChEMBL database for compounds, assays, target, etc.",
    "name": "ChEMBL",
    "obsolete": false
  },
  "000446": {
    "description": "Identifier used by the Chemical Abstracts Service database.",
    "name": "CAS registry number",
    "obsolete": false
  },
  "000447": {
    "description": "A seven-digit identifier for chemical substances for regulatory purposes within the European Union.",
    "name": "European Community number",
    "obsolete": false
  },
  "000467": {
    "description": null,
    "name": "validated chemical database",
    "obsolete": false
  },
  "000563": {
    "description": "Identifier used by the USA Food and Drug Administration.",
    "name": "Unique Ingredient Identifier",
    "obsolete": false
  },
  "000564": {
    "description": "Identifier used by the LipidMaps database, http://www.lipidmaps.org/.",
    "name": "LipidMaps",
    "obsolete": false
  },
  "000565": {
    "description": "Identifier used by the Cancer Chemotherapy National Service Center.",
    "name": "National Service Center number",
    "obsolete": false
  },
  "000566": {
    "description": "Identifier used by the RTECS database (http://www.cdc.gov/niosh/rtecs/).",
    "name": "RTECS",
    "obsolete": false
  }
}