About: http://webisa.webdatacommons.org/154118423

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	Preferredly, the acid is an organic acid such as oxalic acid or p-toluene sulfonic acid.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk