<http://webisa.webdatacommons.org/prov/131776709>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/402397614> .
<http://webisa.webdatacommons.org/402397614>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/131377031>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/402397614> .
<http://webisa.webdatacommons.org/402397614>	<http://www.w3.org/ns/prov#value>	"In the preferred embodiment of the compound above, each of X and Y is a hydroxyl group and each of R1 and R2 is a methyl group." .
<http://webisa.webdatacommons.org/402397614>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .