About: http://webisa.webdatacommons.org/226376316

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	in which R1 is alkyl or aralkyl as defined in formula (I) and Z is a leaving group such as a halogen atom or an alkyl or aryl sulphonate group, preferably a chlorine or bromine atom or a mesylate group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com