<http://webisa.webdatacommons.org/128168678>	<http://www.w3.org/ns/prov#value>	"Preferably, R7 is a hydrogen or a (C1 -C4)alkyl, more preferably hydrogen." .
<http://webisa.webdatacommons.org/prov/283752978>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/128168678> .
<http://webisa.webdatacommons.org/128168678>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/128168678>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/140647867>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/128168678> .