About: http://webisa.webdatacommons.org/152282664

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	(b) The diamine possessing two coordinating nitrogen atoms is represented by the general formula NH2 --R--NH2 wherein R is an alkyl or aryl group having from 2 to 8 carbon atoms.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com