<http://webisa.webdatacommons.org/350153624>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/350153624>	<http://www.w3.org/ns/prov#value>	"Ferris, U.S. Pat. No. 4,432,993 discloses 2-(2-benzofuranyl)ethanolamine derivatives of the formula (IX): ##STR9## wherein R1 is hydrogen or methyl; R2 is hydrogen or methyl; R3 is hydroxy, hydroxy(C1 -C6)alkoxy, benzyloxy or a group X-Y-Z wherein (i) X is a bond or oxygen, Y is a C1 -C6 straight or branched alkylene, and Z is hydrogen or carboxy; or (ii) X is a bond or --O--CH2 --, Y is a C2 -C6" .
<http://webisa.webdatacommons.org/prov/215736130>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/350153624> .
<http://webisa.webdatacommons.org/350153624>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/54109555>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/350153624> .