About: http://webisa.webdatacommons.org/283489222

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	Phosphorus oxychloride or phosgene, particularly preferably phosphorus oxychloride, is preferably employed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca