About: http://webisa.webdatacommons.org/112151174

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	For instance, where the desired leaving group is a halogen atom, by reaction with a corresponding halogen acid, such as hydrogen bromide or hydrogen iodide.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com