About: http://webisa.webdatacommons.org/366158086

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	As to the acid used in this protecting reaction, mineral acids such as hydrochloric acid, hydrobromic acid, sulfuric acid and the like,
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com