<http://webisa.webdatacommons.org/prov/464280906>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/219618350> .
<http://webisa.webdatacommons.org/219618350>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/219618350>	<http://www.w3.org/ns/prov#value>	"wherein R3 is a C1-6 alkyl group. 4." .
<http://webisa.webdatacommons.org/219618350>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .