Oxygen

{
  "@context": [
    "https://schema.org",
    {
      "e3": "https://economy3.org/",
      "hc": "https://holochain.org/",
      "mcp": "https://modelcontextprotocol.io/",
      "p2pShipyard": "https://github.com/darksoil-studio/p2p-shipyard#",
      "skos": "http://www.w3.org/2004/02/skos/core#"
    }
  ],
  "@type": [
    "DefinedTerm",
    "ChemicalSubstance"
  ],
  "@id": "https://economy3.org/substances/oxygen",
  "name": "Oxygen",
  "termCode": "oxygen",
  "identifier": [
    {
      "@type": "PropertyValue",
      "propertyID": "https://ciaaw.org/",
      "name": "IUPAC CIAAW element",
      "value": "oxygen.htm"
    },
    {
      "@type": "PropertyValue",
      "propertyID": "https://pubchem.ncbi.nlm.nih.gov/element/",
      "name": "PubChem element",
      "value": "8"
    },
    {
      "@type": "PropertyValue",
      "propertyID": "economy3:substances",
      "name": "Economy3 substance term",
      "value": "oxygen"
    }
  ]
}