<http://webisa.webdatacommons.org/381929130>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/465853242>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/381929130> .
<http://webisa.webdatacommons.org/381929130>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/381929130>	<http://www.w3.org/ns/prov#value>	"FIG. 4 is a graph illustrating the measured cumulative release of Pentoxyfylline from poly(orthoester) copolymers prepared from various amounts of diethyl tartrate (DET) and/or trans-cyclohexanedimethanol (tCHDM) as described in Example 4." .