About: http://webisa.webdatacommons.org/140973118

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	Ligands such as 1,4,7-trimethyl-1,4,7-triazacyclononanes and the method of preparation thereof are disclosed in U.S. Pat. No. 5,284,944 issued on Feb. 8, 1994 to S. Madison et al.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es