About: http://webisa.webdatacommons.org/242160598

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 R represents a hydrogen atom or a substituent such as an alkyl group and wherein G1, G2 and G3 represent a substituent in correspondance with the structures represented by formula 1.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es