<http://webisa.webdatacommons.org/prov/49424464>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/121024321> .
<http://webisa.webdatacommons.org/121024321>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/121024321>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .
<http://webisa.webdatacommons.org/121024321>	<http://www.w3.org/ns/prov#value>	"the presence of a base such as sodium hydride and a zinc compound (U.S." .