<http://webisa.webdatacommons.org/1691472>	<http://www.w3.org/ns/prov#value>	"compounds and similar materials such as propylene oxide, 1,2-epoxybutane," .
<http://webisa.webdatacommons.org/1691472>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/296711917>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/1691472> .
<http://webisa.webdatacommons.org/1691472>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .
<http://webisa.webdatacommons.org/prov/472518700>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/1691472> .