About: http://webisa.webdatacommons.org/70913215

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	Optionally, chain transfer agents such as alkyl mercaptans such as tertiary-dodecylmercaptan; ketones such as methyl ethyl ketone; chlorohydrocarbons such as chloroform can be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca