About: http://webisa.webdatacommons.org/327529242

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	The indenyl or tetrahydroindenyl ligands of the metallocenes of the formula I are preferably substituted in the 2; 2,4; 4,7; 2,6; 2,4,6; 2,5,6; 2,4,5,6 or 2,4,5,6,7 positions, in particular in the 2,4 position.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com