<http://webisa.webdatacommons.org/111682079>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/472117042>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/111682079> .
<http://webisa.webdatacommons.org/111682079>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .
<http://webisa.webdatacommons.org/111682079>	<http://www.w3.org/ns/prov#value>	"R.sup.2 is a hydrogen or a C.sub.1 to C.sub.22 alkyl group; preferably a hydrogen or methyl group;" .
<http://webisa.webdatacommons.org/prov/516243247>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/111682079> .