About: http://webisa.webdatacommons.org/165947673

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	CAS claims copyright on CAS Registry Numbers??, but will let you use, ???without a license and without paying a fee???, up to 10,000 of them ???in a catalog, website, or other product for which there is no charge???.
http://www.w3.org/ns/prov#wasQuotedFrom	chemspider.com