About: http://webisa.webdatacommons.org/221149945

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	L1, L2, L3 and L4 represent leaving groups such as a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, a sulfonate such as triflate, a trialkyltin group, boronic acid or boronic acid ester (B(OV1)2);
http://www.w3.org/ns/prov#wasQuotedFrom	google.com