About: http://webisa.webdatacommons.org/102015956

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	n is a positive integer, and R2 and R3 each represents H or an alkyl group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com