<http://webisa.webdatacommons.org/prov/141638688>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/275515761> .
<http://webisa.webdatacommons.org/275515761>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/275515761>	<http://www.w3.org/ns/prov#value>	"and R6 and R8 each is a hydrogen atom, the compound of the formula (I) can be also produced through the production process illustrated by the following reaction scheme." .
<http://webisa.webdatacommons.org/prov/141392468>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/275515761> .
<http://webisa.webdatacommons.org/275515761>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freepatentsonline.com> .