About: http://webisa.webdatacommons.org/449304173

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	Exemplary initiators include oxidizers, such as ammonium persulfate or azo compounds, such as 2,2???-azobis(2-amidinopropane)dihydrochioride, among others.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com