About: http://webisa.webdatacommons.org/31436334

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	wherein Me is B or Al, R being the same or different is a C1-C10 alkyl, X being the same or different is a halogen, n is an integer of 1 to 5, and m is an integer of 1 or 2, or, preferably
http://www.w3.org/ns/prov#wasQuotedFrom	google.es