About: http://webisa.webdatacommons.org/396283269

Property	Value
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	3-furylmethyl, tetrahydrofurfuryl and tetrahydro-3-furylmethyl; R3 is hydrogen or C1 -C5 alkyl; R4 is selected from the group consisting of hydrogen, C1 -C10 alkyl, C7 -C12 aralkyl and C6 -C10 aryl; and n is an integer or 0, 1 or 2.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com