<http://webisa.webdatacommons.org/prov/464455995>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/417698921> .
<http://webisa.webdatacommons.org/417698921>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/417698921>	<http://www.w3.org/ns/prov#value>	"[0022]In another embodiment, R1 is a methyl, ethyl, isopropyl," .
<http://webisa.webdatacommons.org/417698921>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .