About: http://webisa.webdatacommons.org/449913965

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	B represents a hydrogen atom or an aryl group optionally substituted, and when q is 2 or more, Bs may be the same or different, however, at least one of them is a hydrogen atom.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com