About: http://webisa.webdatacommons.org/60357746

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 hydrocarbon precursor may be an aromatic hydrocarbon, such as benzene, toluene, xylene, cumene, ethylbenzene, naphthalene, phenanthrene, anthracene, and their mixtures.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com