About: http://webisa.webdatacommons.org/163124864

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	Examples of activated pyrenylmethyl derivatives of PyR have the general formula: where X is a halogen atom, a hydroxyl, diazo, or azido group, and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk