{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/prov/344774725"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/304171688" ] } },

    { "id" : "http://webisa.webdatacommons.org/304171688"
      "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" : [ "The process of claim 4, wherein heating is carried out in a solvent in the presence of a hydrogen halide acceptor and is continued until production of an ??-loweralkylfurocoumarin of the formula ##STR3## in which R, R1, and R2 are selected from the group consisting of hydrogen, alkyl, and lower-alkoxy; R4 in both the starting material and product is other than hydrogen; and R5 and R6 are hydrogen" ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "google.ca" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/62482538"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/304171688"] } } }
