About: http://webisa.webdatacommons.org/42719860

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	R4 is a substituted heterocyclic group selected from the group consisting of
http://www.w3.org/ns/prov#wasQuotedFrom	google.com