<http://webisa.webdatacommons.org/430533939>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/430533939>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .
<http://webisa.webdatacommons.org/prov/116659530>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/430533939> .
<http://webisa.webdatacommons.org/430533939>	<http://www.w3.org/ns/prov#value>	"R3 is hydrogen, C1-6 alkyl such as methyl, ethyl, n-propyl, or" .