About: http://webisa.webdatacommons.org/54004221

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	Corresponding compounds are known to a person skilled in the art and are described in the literature, in particular in the patents stated at the outset.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com