About: http://webisa.webdatacommons.org/415783051

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	chemical precursors or other chemicals when chemically synthesized or produced using biochemical or chemical processes.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com