About: http://webisa.webdatacommons.org/178447674

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	The above-mentioned alkenyl and alkynyl groups preferably contain 2 to 8 carbon atoms, particularly 2 to 6 carbon atoms, e.g., ethenyl or ethynyl, optionally substituted by one or more appropriate substitutents as described below.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es