About: http://webisa.webdatacommons.org/233438451

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 term optionally substituted radicals" as used herein means each of the above described radicals optionally substituted by groups such as alkyl alkoxy, hydroxy, halo, amino, nitro, cyano, carbonyl and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es