<http://webisa.webdatacommons.org/prov/481754303>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/384735338> .
<http://webisa.webdatacommons.org/384735338>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/384735338>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/384735338>	<http://www.w3.org/ns/prov#value>	"This first scheme is described immediately below in Scheme I. The other general scheme (which also has several sub-variations) involves the case where at least one of R3 and R4 is a moiety other than hydrogen but within the scope of Formula I above." .