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<http://webisa.webdatacommons.org/prov/26783169>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/292218345> .
<http://webisa.webdatacommons.org/292218345>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<state.gov> .
<http://webisa.webdatacommons.org/prov/343206218>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/292218345> .
<http://webisa.webdatacommons.org/prov/27953800>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/292218345> .
<http://webisa.webdatacommons.org/292218345>	<http://www.w3.org/ns/prov#value>	"In 2011, several countries including El Salvador, Guatemala and Nicaragua expanded their control measures to cover derivatives of phenylacetic acid." .