About: http://webisa.webdatacommons.org/78485383

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	STR21## wherein R1 is a group having its formula selected from the group consisting of --CH2 CH2 CH2 --NH--CH2 CH2 --N
http://www.w3.org/ns/prov#wasQuotedFrom	google.com