<http://webisa.webdatacommons.org/410178936>	<http://www.w3.org/ns/prov#value>	"In an exemplary embodiment, R1 is H and R2 is a member selected from methyl, ethyl, propyl, isopropyl, butyl and t-butyl." .
<http://webisa.webdatacommons.org/410178936>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/108575887>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/410178936> .
<http://webisa.webdatacommons.org/prov/54228820>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/410178936> .
<http://webisa.webdatacommons.org/410178936>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .