About: http://webisa.webdatacommons.org/313229218

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	This requires old-style chemistry: methyl, sulfite, hydroquinone, carbonate and other chemicals.
http://www.w3.org/ns/prov#wasQuotedFrom	havanatimes.org