<http://webisa.webdatacommons.org/prov/140589058>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/202298897> .
<http://webisa.webdatacommons.org/202298897>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/202298897>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/202298897>	<http://www.w3.org/ns/prov#value>	"R2 is a hydrogen atom, a beta-dimethylaminoethoxy group, a beta-diethylaminoethoxy group, a beta-pyrrolidinoethoxy group, or pharmaceutically acceptable salts thereof;" .