<http://webisa.webdatacommons.org/prov/52891359>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/273991414> .
<http://webisa.webdatacommons.org/273991414>	<http://www.w3.org/ns/prov#value>	"Preferably the label is an isotope of C, N, H, S or" .
<http://webisa.webdatacommons.org/273991414>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .
<http://webisa.webdatacommons.org/273991414>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .