About: http://webisa.webdatacommons.org/139682392

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	As stated above, many of these compounds have been extracted, albeit with great difficulty, from marine animals such as the sponge and sea hare.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr