About: http://webisa.webdatacommons.org/6946230

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	X.sup.1, X.sup.2, and X.sup.3 are independently hydrogen, X.sup.5 or X.sup.6; and at least one of X.sup.1, X.sup.2, and X.sup.3 is other than hydrogen
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com