About: http://webisa.webdatacommons.org/200378605

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	The benzenesulfonic acid, naphthalenesulfonic acid and anthracenesulfonic acid described above may further be substituted, for example, with a halogen atom other than a fluorine atom, a hydroxy group or a nitro group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com