About: http://webisa.webdatacommons.org/290749561

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	e group of hydrogen, hydroxyl, and --C2 H4 OH; R9 and R10 are respectively a radical selected from the group of hydrogen, amino, hydroxyl and lower alkoxy; n is 1 or 2; m is 0 or 1; and M is an alkali metal or ammonium.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com