<http://webisa.webdatacommons.org/prov/213567024>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/136728727> .
<http://webisa.webdatacommons.org/136728727>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .
<http://webisa.webdatacommons.org/136728727>	<http://www.w3.org/ns/prov#value>	"and R13 is an alkyl group (e.g., methyl, ethyl, tert-butyl)." .
<http://webisa.webdatacommons.org/136728727>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .