<http://webisa.webdatacommons.org/prov/58479306>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/382596381> .
<http://webisa.webdatacommons.org/382596381>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freshpatents.com> .
<http://webisa.webdatacommons.org/prov/141546618>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/382596381> .
<http://webisa.webdatacommons.org/prov/464367197>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/382596381> .
<http://webisa.webdatacommons.org/382596381>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/382596381>	<http://www.w3.org/ns/prov#value>	"In this Formula, R1 is a hydrogen atom, a C1-6 alkyl group, a C1-6 alkylcarbonyl group or a C6-14 arylcarbonyl group; R2 is a hydrogen atom or a C1-6 alkyl group;..." .