<http://webisa.webdatacommons.org/193263311>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/131467857>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/193263311> .
<http://webisa.webdatacommons.org/193263311>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/193263311>	<http://www.w3.org/ns/prov#value>	"Where R is a lower alkyl group having 1 to 4 carbon atoms; R1 is --SR5 or --OR5 ; and R5 is aryl." .