About: http://webisa.webdatacommons.org/301291723

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	Urea is an organic compound of carbon, nitrogen, oxygen and hydrogen, with the formula (NH 2) 2 CO. Urea is also known as
http://www.w3.org/ns/prov#wasQuotedFrom	ablog.ro