About: http://webisa.webdatacommons.org/229944827

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	This, however, is an immensely difficult task, particularly since these molecules cannot always be produced in the laboratory so as to obtain material for comparative studies.
http://www.w3.org/ns/prov#wasQuotedFrom	ucsb.edu