About: http://webisa.webdatacommons.org/156299103

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	Acid groups are in particular the phosphoric acid, phosphonic acid, sulfuric acid, sulfonic acid, carboxyl or ammonium group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com