About: http://webisa.webdatacommons.org/354808644

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	where M is a group 13 metal, R, R??? and R??? are hydrocarbon, and m, n, p, and q are numbers.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es