About: http://webisa.webdatacommons.org/217347324

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	Some ??-diketones such as acetylacetone are available commercially. ??-diketones with perfluoroalkyl groups are also well-known.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com