About: http://webisa.webdatacommons.org/400122069

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	R3 includes groups such as polyethylene glycol (PEG), an alkylene or arylene group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr