<http://webisa.webdatacommons.org/prov/345069534>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/159068431> .
<http://webisa.webdatacommons.org/prov/430710476>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/159068431> .
<http://webisa.webdatacommons.org/159068431>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/159068431>	<http://www.w3.org/ns/prov#value>	"The only requirement is that they dissolve in solvents such as acetone or methanol, and be able to withstand a vacuum." .
<http://webisa.webdatacommons.org/159068431>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.ca> .