About: http://webisa.webdatacommons.org/271011105

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	where D is an electron donating group, and A is an electron accepting group.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com