About: http://webisa.webdatacommons.org/19154722

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	For biosafety purpose, chemicals that are biologically active such as carcinogens and mutagens, or toxic are included in the definition.
http://www.w3.org/ns/prov#wasQuotedFrom	uwplatt.edu