About: http://webisa.webdatacommons.org/133041795

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	However, unambiguous experimental verification of a compound as a signaling molecule is an extremely difficult task, and in no case is the status of a candidate as a signaling molecule yet secure.
http://www.w3.org/ns/prov#wasQuotedFrom	frontiersin.org