About: http://webisa.webdatacommons.org/213637650

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	wherein R6 and R7 have the above-mentioned meanings and R9 represents another protecting group such as Fmoc or Troc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com