About: http://webisa.webdatacommons.org/275805918

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	Particular mention may also be made of compounds I of the formulae ##STR6## where R is a hydrocarbon radical of up to 20 carbons, especially C1 -C10 -alkyl, phenyl or benzyl.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com