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<http://webisa.webdatacommons.org/217032193>	<http://www.w3.org/ns/prov#value>	"More preferred two electron mediators include the carboxylic acid or salt, such as ammonium salts, of phenothiazine derivatives." .
<http://webisa.webdatacommons.org/prov/173961374>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/217032193> .
<http://webisa.webdatacommons.org/217032193>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .