<http://webisa.webdatacommons.org/402484985>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .
<http://webisa.webdatacommons.org/prov/472117042>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/402484985> .
<http://webisa.webdatacommons.org/402484985>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/402484985>	<http://www.w3.org/ns/prov#value>	"In formula (H), R.sup.2 is a hydrogen atom, an alkyl group which may be substituted, or an aryl group which may be substituted." .
<http://webisa.webdatacommons.org/prov/131705213>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/402484985> .