About: http://webisa.webdatacommons.org/222626633

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	At least one of these chemicals, 3-ethylpyridine, which was toxic at picomolar doses, has previously been considered safe and is often added to consumer products, including tobacco.
http://www.w3.org/ns/prov#wasQuotedFrom	ucr.edu