About: http://webisa.webdatacommons.org/389214005

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	Several pharmaceutical compounds including their respective derivatives of camptothecin contain more than one hydroxyl group, for example 10-hydroxycamptothecin, topotecan and several others listed in the above references.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com