<http://webisa.webdatacommons.org/prov/347803394>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/343452325> .
<http://webisa.webdatacommons.org/343452325>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .
<http://webisa.webdatacommons.org/343452325>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/343452325>	<http://www.w3.org/ns/prov#value>	"[0799]In another embodiment, Z is a bond, R1 is selected from formula" .