{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/104764684"
      "properties" : {
        "http://www.w3.org/1999/02/22-rdf-syntax-ns#type" : [ "http://www.w3.org/ns/prov#Entity" ] ,
        "http://www.w3.org/ns/prov#value" : [ "R1, R2 and R3 each preferably represents a hydrogen atom, an alkyyl group having from 1 to 4 carbon atoms which may have a substituent, or a halogen atom, and particularly preferably each represents a hydrogen atom or a methyl group." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "google.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/167580830"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/104764684" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/488883395"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/104764684" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/452604558"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/104764684"] } } }
