About: http://webisa.webdatacommons.org/196388912

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	An example of the types of molecules you are looking at would make this a great question.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com