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<http://webisa.webdatacommons.org/prov/47401522>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/447089663> .
<http://webisa.webdatacommons.org/447089663>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nap.edu> .
<http://webisa.webdatacommons.org/447089663>	<http://www.w3.org/ns/prov#value>	"For example, compounds such as hydrogen sulfide and" .