<http://webisa.webdatacommons.org/prov/345069535>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/113280174> .
<http://webisa.webdatacommons.org/113280174>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/113280174>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/113280174>	<http://www.w3.org/ns/prov#value>	"These salts are generally prepared by reacting a formula I compound, wherein R1 and/or R3 are hydrogen, with one of the above bases in an organic solvent, such as methanol, diethyl ether, or benzene." .