<http://webisa.webdatacommons.org/269055564>	<http://www.w3.org/ns/prov#value>	"In general, the term ???hetero??? denotes an atom other than carbon, preferably but not exclusively N, O, or S, SO and SO2." .
<http://webisa.webdatacommons.org/269055564>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/215875899>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/269055564> .
<http://webisa.webdatacommons.org/269055564>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .