<http://webisa.webdatacommons.org/prov/131392358>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/283457974> .
<http://webisa.webdatacommons.org/283457974>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/464330668>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/283457974> .
<http://webisa.webdatacommons.org/283457974>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/131364763>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/283457974> .
<http://webisa.webdatacommons.org/283457974>	<http://www.w3.org/ns/prov#value>	" heterocycle, D is O, S or NH, and L is a heteroatom-protecting group removable by an elimination reaction;" .