<http://webisa.webdatacommons.org/prov/116659530>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/236096617> .
<http://webisa.webdatacommons.org/236096617>	<http://www.w3.org/ns/prov#value>	"Particular values of R5 and R6 in relation to formula IIB above include hydrogen and C1-6 alkyl, especially hydrogen or methyl." .
<http://webisa.webdatacommons.org/prov/62532693>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/236096617> .
<http://webisa.webdatacommons.org/236096617>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freepatentsonline.com> .
<http://webisa.webdatacommons.org/prov/104928826>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/236096617> .
<http://webisa.webdatacommons.org/prov/358922543>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/236096617> .
<http://webisa.webdatacommons.org/236096617>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .