About: http://webisa.webdatacommons.org/157488472

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	fonic group, a carboxyl group, an alkyl group or a substituted alkyl group, and R7 is a sulfonic group or a carboxyl group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es