<http://webisa.webdatacommons.org/121946001>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/211477278>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/121946001> .
<http://webisa.webdatacommons.org/121946001>	<http://www.w3.org/ns/prov#value>	"Examples of chain extenders usable in the present invention include glycols such as ethylene glycol, 1,4-butanediol, 2,3-butanediol, bisphenol A dihydroxyethyl ether, hydroquinone dihydroxyethyl ether, etc., and diamines such as diphenylmethanediamine, m-phenylenediamine, etc." .
<http://webisa.webdatacommons.org/121946001>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/393331804>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/121946001> .