About: http://webisa.webdatacommons.org/154170251

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	R15 represents a hydrogen or halogen atom such as bromine, chlorine, iodine of fluorine,
http://www.w3.org/ns/prov#wasQuotedFrom	google.com