About: http://webisa.webdatacommons.org/406772474

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	10. The compound of claim 9, wherein W.sup.1 is methylene and W.sup.2 is a single bond; or a pharmaceutically acceptable salt thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com