About: http://webisa.webdatacommons.org/126191931

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	Z is selected from the group consisting of oxygen; sulfur; where R is aryl (of 6 to 20 carbons, such as phenyl) or acyl (of 2 to 20 carbons, such as acetyl, benzoyl, etc.); a carbon-to-carbon bond; or
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr