<http://webisa.webdatacommons.org/prov/296017153>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/223848895> .
<http://webisa.webdatacommons.org/223848895>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/223848895>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .
<http://webisa.webdatacommons.org/223848895>	<http://www.w3.org/ns/prov#value>	"(wherein each of R.sup.1 and R.sup.2 which are independent of each other, is a hydrogen atom, a fluorine atom, a C.sub.1-10 alkyl group or a C.sub.1-10 alkoxyalkyl group containing an etheric oxygen atom, R.sup.3 is a hydrogen atom, a fluorine" .