About: http://webisa.webdatacommons.org/343406860

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	In the invention, the substituent represented by R5 and R6 is preferably a hydrogen atom or an alkyl group, and particularly preferably a hydrogen atom.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com