Cephalosporin Impurities

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StructureName of ImpurityCatalogue No.
26924-74-3: Deacetoxycephalosporin CDeacetoxycephalosporin CVE009505View CAS 26924-74-3
184696-69-3: Cephalosporin Lactone ImpurityCephalosporin Lactone ImpurityVE007978View CAS 184696-69-3