About: http://webisa.webdatacommons.org/425849382

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	The masked nucleophile (Nu) may be any group such as a hydroxy, thiol, amine, or carboxylate moiety.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com