<http://webisa.webdatacommons.org/390385916>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/271483577>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/390385916> .
<http://webisa.webdatacommons.org/prov/101060200>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/390385916> .
<http://webisa.webdatacommons.org/prov/396696833>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/390385916> .
<http://webisa.webdatacommons.org/prov/45821354>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/390385916> .
<http://webisa.webdatacommons.org/390385916>	<http://www.w3.org/ns/prov#value>	"Presently preferred chalcogen promoters are sulfur and compounds thereof, especially methyl sulfide, hydrogen sulfide and sulfur dioxide." .
<http://webisa.webdatacommons.org/390385916>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .