About: http://webisa.webdatacommons.org/429219804

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	represent alkyl groups; and X is a hydrogen atom, an electron withdrawing group or an electron donating group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com