About: http://webisa.webdatacommons.org/291146121

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 some embodiments, at least three of R5, R6, R7, R8 and R9 are a group other than hydrogen.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com