{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/41927753"
      "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" : [ "A suitable class of reagents for preparing the half-acid starch esters include substituted cyclic dicarboxylic acid anhydrides such as those described in U.S. Pat. No. 2,661,349 issued on Dec. 1, 1953 to Caldwell et al., having the structure ##STR4## where R is dimethylene or trimethylene and R' is a C8 -C18 alkyl or alkenyl group." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "google.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/131467862"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/41927753"] } } }
