<http://webisa.webdatacommons.org/prov/472119189>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/161031303> .
<http://webisa.webdatacommons.org/161031303>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .
<http://webisa.webdatacommons.org/161031303>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/161031303>	<http://www.w3.org/ns/prov#value>	"--OC(O)CH???CHC(O)O--tm (4-4) wherein R is a hydrogen atom, a methyl" .
<http://webisa.webdatacommons.org/prov/53901185>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/161031303> .