About: http://webisa.webdatacommons.org/88969571

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	l, and aryl; m and n are numbers; R1 and R2 are independently selected from the group consisting of alkyl, aryl, and diarylaminoaryl; R3 and R4 are an atom of hydrogen, alkyl, alkoxy, aryl, or halogen, and p is a number.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr