<http://webisa.webdatacommons.org/prov/516191769>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/270298765> .
<http://webisa.webdatacommons.org/270298765>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .
<http://webisa.webdatacommons.org/270298765>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/270298765>	<http://www.w3.org/ns/prov#value>	"with the proviso that when X represents --NH--CO--NH--, A.sub.3 represents --E--O--D).sub.z O--E-- or --B.sub.1 --Y--B.sub.2, wherein Y has the meaning given for X above except for the value --NH--CO--NH--, or A.sub.3 represents --E--O--G--O--E--" .