{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/108443926"
      "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" : [ "More preferably, R1 is a linear or branched alkyl group having from about 8 to about 22 carbon atoms; R2 in each of the x (R2O) groups is independently ethylene or propylene; R3 is hydrogen, or a linear or branched alkyl group having from 1 to about 6 carbon atoms; R4 is a linear or branched alkylene having from 1 to about 6 carbon atoms, m and n are independently integers from 0 to about 7, the s" ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "google.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/464017586"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/108443926"] } } }
