About: http://webisa.webdatacommons.org/76917267

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	(wherein R2 is as hereinbefore defined and X represents a leaving group, for example a halogen atom or a sulphonate ester or reactive oxide group) or with an appropriate alkylene oxide.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com