{ "items" : [
    { "id" : "http://dbpedia.org/resource/Graphyne"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "Graphyne is a theorized allotrope of carbon. Its structure is one-atom-thick planar sheets of sp and sp2-bonded carbon atoms arranged in crystal lattice. It can be seen as a lattice of benzene rings connected by acetylene bonds." ] ,
        "http://www.w3.org/2002/07/owl#differentFrom" : [ "http://dbpedia.org/resource/Graphane",
          "http://dbpedia.org/resource/Grapheme",
          "http://dbpedia.org/resource/Graphene"] } } }
