About: http://webisa.webdatacommons.org/48546900

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	arth metals, and NR4 and PR4 wherein R is a hydrogen atom or a substituted or unsubstituted hydrocarbyl radical having 1 to 15 carbon atoms and each R can be alike or different, or (b) a
http://www.w3.org/ns/prov#wasQuotedFrom	google.es