About: http://webisa.webdatacommons.org/258812490

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	(6) A rubber composition as described in (5) wherein the heteroatom is a nitrogen, oxygen, sulfur or phosphorus atom.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com