About: http://webisa.webdatacommons.org/130822369

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	Preferably, these substituents are a lower alkyl group, sulfoalkyl, reactive group, solid support or carrier molecule.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com