About: http://webisa.webdatacommons.org/37388436

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	In the case where R10 or R11 is an aryl group, the aryl group may form a condensed ring by bonding to a cyclopentadienyl ring and R10 or R11 may be a group cross-linking two cyclopentadienyl rings in the metallocene structure.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com