About: http://webisa.webdatacommons.org/366558472

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	X is a hydrogen atom, halogen atom, C1-20 alkyl group, C6-20 aryl group, alkylaryl group, arylalkyl group or C1-20 alkoxy group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com