About: http://webisa.webdatacommons.org/452809329

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	The substituent may have a specific single number of carbon atoms, e.g. 18 carbon atoms.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr