About: http://webisa.webdatacommons.org/204894904

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	Y and X3 independently of one another are a bivalent radical which contains at least one carbonyl group; k is 0 or 1; and L is a bond or a divalent radical having up to 20 C atoms of an organic compound.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk