{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/219994520"
      "properties" : {
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        "http://www.w3.org/ns/prov#value" : [ "where R3 and R2??? are as defined above and R47 is a leaving group such as halide and in particular bromide, with an azide salt, such as an alkali metal azide salt in particular sodium azide." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "google.es" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/116734405"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/219994520"] } } }
